<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:georss='http://www.georss.org/georss' xmlns:gd='http://schemas.google.com/g/2005' xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-6922094412179240723</id><updated>2012-01-22T13:00:49.485-08:00</updated><category term='Vulcanologia'/><category term='Distribuição de Matéria'/><category term='Avaliações'/><category term='Notícias'/><category term='Ideias-Chave'/><category term='Diversidade na Biofesra'/><category term='A Terra e os seus subsistemas'/><category term='Constituintes básicos'/><category term='Aulas Práticas'/><category term='Evolução biológica'/><category term='Reprodução'/><category term='Apresentação'/><category term='Crescimento e Renovação Celular'/><category term='Doenças e Distúrbios'/><category term='Obtenção de energia'/><category term='Unidade estrutural e funcional'/><category term='Coisas engraçadas'/><category term='A Terra um planeta muito especial'/><category term='Regulação nos seres vivos'/><category term='Sismologia'/><title type='text'>Blog das Ciências</title><subtitle type='html'></subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default?max-results=100'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><link rel='next' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default?start-index=101&amp;max-results=100'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>125</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>100</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2791907065484270463</id><published>2009-12-24T02:53:00.000-08:00</published><updated>2009-12-24T02:59:53.032-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Apresentação'/><title type='text'>É tempo de mudar</title><content type='html'>&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Bem, ando a trabalhar neste blogue há bastante tempo e não é que não esteja satisfeita com o fruto de todo o meu empenho, mas penso que é tempo de mudar um pouco e criar outro blogue. Aqui fica o endereço do meu novo e-portefolio:&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;a href="http://entre-margens-lucie.blogspot.com/"&gt;http://entre-margens-lucie.blogspot.com/&lt;/a&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2791907065484270463?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2791907065484270463/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/e-tempo-de-mudar.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2791907065484270463'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2791907065484270463'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/e-tempo-de-mudar.html' title='É tempo de mudar'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5739575832713618842</id><published>2009-12-17T16:30:00.000-08:00</published><updated>2009-12-17T16:40:01.402-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Avaliações'/><title type='text'>2ºTeste de Avaliação</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyrPMTQQr6I/AAAAAAAAA10/nXFSiII6fzA/s1600-h/Studying-Together.gif"&gt;&lt;img style="MARGIN: 0px 10px 10px 0px; WIDTH: 166px; FLOAT: left; HEIGHT: 158px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416369312100298658" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyrPMTQQr6I/AAAAAAAAA10/nXFSiII6fzA/s400/Studying-Together.gif" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;O primeiro período acabou com a entrega dos testes para a avaliação sumativa e, de uma forma geral, foi falado que os alunos esperavam melhor. Penso que o 11º ano exige muito mais por parte dos alunos, não só estudo mas como organização e empenho. A disciplina de Biologia e Geologia é importantíssima para a finalização de um bom ano escolar e a pressão começa a sentir-se. Os exames aproximam-se, assim como os testes intermédios. Sinto que é tempo de pôr mãos à obra e começar a rever os conteúdos leccionados até agora. Pessoalmente estou contente com as minhas notas a Biologia mas tenho a certeza que consigo melhor e que no próximo período vou conseguir alcançar esse objectivo. Mais uma vez, cometi erros de distracção que seriam de evitar mas nunca é tarde e no próximo momento de avaliação escrita vou novamente tentar melhorar esse aspecto. &lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5739575832713618842?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5739575832713618842/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/2teste-de-avaliacao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5739575832713618842'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5739575832713618842'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/2teste-de-avaliacao.html' title='2ºTeste de Avaliação'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/SyrPMTQQr6I/AAAAAAAAA10/nXFSiII6fzA/s72-c/Studying-Together.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5350428019974460240</id><published>2009-12-17T16:26:00.000-08:00</published><updated>2009-12-17T16:30:09.173-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas engraçadas#9</title><content type='html'>&lt;a href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SyrMRgGcdJI/AAAAAAAAA1k/2KkEse6xZ_g/s1600-h/untitled.bmp"&gt;&lt;img style="MARGIN: 0px 10px 10px 0px; WIDTH: 204px; FLOAT: left; HEIGHT: 281px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416366102913250450" border="0" alt="" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SyrMRgGcdJI/AAAAAAAAA1k/2KkEse6xZ_g/s400/untitled.bmp" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: Neste cartoon podemos ver um ancestral de uma espécie a sair da água pela primeira vez. Posso presumir que seja o primeiro ser vivo a pisar "terra firme" e, depois de uma longa vida na água, os indivíduos veêm-se finalmente capazes de sobreviver na ausência de um mundo marítimo. De uma certa forma, a evolução biológica parte daqui, deste momento na qual o instinto dos seres vivos os levou a abandonar o mar.&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5350428019974460240?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5350428019974460240/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas9.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5350428019974460240'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5350428019974460240'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas9.html' title='Coisas engraçadas#9'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SyrMRgGcdJI/AAAAAAAAA1k/2KkEse6xZ_g/s72-c/untitled.bmp' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1406451761479450103</id><published>2009-12-17T15:27:00.000-08:00</published><updated>2009-12-17T16:25:57.358-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Evolução biológica'/><title type='text'>Evolução</title><content type='html'>&lt;p&gt;&lt;object width="425" height="344"&gt;&lt;param name="movie" value="http://www.youtube.com/v/GBRmN6J6ehg&amp;amp;hl=pt_BR&amp;amp;fs=1&amp;amp;color1=0x2b405b&amp;amp;color2=0x6b8ab6"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/GBRmN6J6ehg&amp;hl=pt_BR&amp;fs=1&amp;color1=0x2b405b&amp;color2=0x6b8ab6" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;/p&gt;&lt;p align="justify"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: Este video mostra de forma sintetizada a evolução da vida, desde os seres mais primitivos até à espécie humana.&lt;/span&gt; &lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1406451761479450103?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1406451761479450103/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/lamarckismo.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1406451761479450103'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1406451761479450103'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/lamarckismo.html' title='Evolução'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7556681615554949387</id><published>2009-12-17T15:17:00.000-08:00</published><updated>2009-12-17T15:27:09.448-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Evolução biológica'/><title type='text'>Qual a origem dos eucariontes?</title><content type='html'>&lt;div align="justify"&gt;&lt;a href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Syq8Zm5seBI/AAAAAAAAA1c/JSnKyWpbR2c/s1600-h/hipoteses3.jpg"&gt;&lt;img style="TEXT-ALIGN: center; MARGIN: 0px auto 10px; WIDTH: 400px; DISPLAY: block; HEIGHT: 283px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416348649991731218" border="0" alt="" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Syq8Zm5seBI/AAAAAAAAA1c/JSnKyWpbR2c/s400/hipoteses3.jpg" /&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt; &lt;span style="color:#000000;"&gt;Reflexão pessoal: De forma sintetizada, estas duas figuras ilustram os dois modelos explicativos para a formação dos eucariontes. Aqui podemos ver que, no modelo endossimbiótico, aquele mais aceite, uma célula procariótica terá capatado outras células procarióticas que permaneceram no interior da célula inicial. Elas estabeleceram relações de simbiose, e devido á eficácia entre os sujeitos passaram a constituir-se um organismo estável. Assim nasceu os seres eucariontes. Por outro lado, o modelo autogénico defende que a célula eucariótica terá surgido de sucessivas invaginações da membrana plasmática seguidas de especialização.&lt;/span&gt; &lt;br /&gt;&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7556681615554949387?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7556681615554949387/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/qual-origem-dos-eucariontes.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7556681615554949387'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7556681615554949387'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/qual-origem-dos-eucariontes.html' title='Qual a origem dos eucariontes?'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/Syq8Zm5seBI/AAAAAAAAA1c/JSnKyWpbR2c/s72-c/hipoteses3.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5744858338958016144</id><published>2009-12-17T15:04:00.000-08:00</published><updated>2009-12-17T15:17:20.124-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Evolução biológica'/><title type='text'>Objectivos - evolução biológica</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syq7ybisVLI/AAAAAAAAA1U/YxKhVZke3DE/s1600-h/fossil472.jpg"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 191px; FLOAT: right; HEIGHT: 168px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416347976927564978" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syq7ybisVLI/AAAAAAAAA1U/YxKhVZke3DE/s400/fossil472.jpg" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;ul&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Identificar e distinguir as fundamentações e os argumentos do fixismo e do evolucionismo.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Distinguir o modelo endossimbiótico do modelo autogénico e reconhecer as suas limitações.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Reconhecer as vantagens da multicelularidade.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Compreender as principais ideias de Lamarck e Darwin.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Valorizar o contributo da genética para o aparecimento do Neodarwinismo.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Distinguir os contributos de natureza científica dos de natureza religiosa.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5744858338958016144?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5744858338958016144/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/objectivos-evolucao-biologica.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5744858338958016144'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5744858338958016144'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/objectivos-evolucao-biologica.html' title='Objectivos - evolução biológica'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Syq7ybisVLI/AAAAAAAAA1U/YxKhVZke3DE/s72-c/fossil472.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1098931948287164875</id><published>2009-12-17T14:41:00.000-08:00</published><updated>2009-12-17T14:44:07.948-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas engraçadas#8</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Syq0HkzOy6I/AAAAAAAAA08/vsBPUm_YxrU/s1600-h/biology-cousins-final.jpg"&gt;&lt;img style="MARGIN: 0px 10px 10px 0px; WIDTH: 246px; FLOAT: left; HEIGHT: 199px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416339544097082274" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Syq0HkzOy6I/AAAAAAAAA08/vsBPUm_YxrU/s400/biology-cousins-final.jpg" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: A ciência diz que a evolução fez de nós o que somos actualmente. Ora, segundo os cientistas, os macacos são os nossos ancestrais. As semalhanças entre os macacos e o ser humano são claras. Este assunto já foi debatido na aula e a conclusão a que chegámos foi que as diferenças entre um orangotango bebe e uma criança humana eram tão poucas que por vezes era bastante fácil criar semelhanças e suscitar dúvidas sobre a nossa evolução. Será mesmo que o macaco é um primo nosso, apesar de longínquo?&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1098931948287164875?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1098931948287164875/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas8_17.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1098931948287164875'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1098931948287164875'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas8_17.html' title='Coisas engraçadas#8'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Syq0HkzOy6I/AAAAAAAAA08/vsBPUm_YxrU/s72-c/biology-cousins-final.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-189112003435401097</id><published>2009-12-17T14:20:00.000-08:00</published><updated>2009-12-17T14:29:01.975-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Conceitos Importantes</title><content type='html'>&lt;ul&gt;&lt;li&gt;&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqwc1DSkGI/AAAAAAAAA0s/gfR2P8hCAhI/s1600-h/tempo%2520de%2520estudo.gif"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 165px; FLOAT: right; HEIGHT: 308px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416335511190147170" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqwc1DSkGI/AAAAAAAAA0s/gfR2P8hCAhI/s400/tempo%2520de%2520estudo.gif" /&gt;&lt;/a&gt; &lt;span style="font-family:times new roman;"&gt;Alternância de fases nucleares&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Bipartição&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Célula diplóide&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Célula haplóide&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Ciclo de vida&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Clonagem&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Clone&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Cromossomas homólogos&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Crossing-over&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Esporo&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Esporulação&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Fecundação&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Fragmentação&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Gametângio&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Gemulação&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Gónada&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Hermafroditismo&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Meiose&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Meiose pós-zigótica&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Meiose pré-espórica&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Meiose pré-gamética&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Multiplicação vegetativa&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Mutação cromossómica&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Partegogénese&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Reprodução assexuada&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Reprodução sexuada&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Ser diplonte&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Ser haplodiplonte&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Ser haplonte&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Unissexualismo&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-189112003435401097?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/189112003435401097/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/conceitos-importantes.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/189112003435401097'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/189112003435401097'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/conceitos-importantes.html' title='Conceitos Importantes'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqwc1DSkGI/AAAAAAAAA0s/gfR2P8hCAhI/s72-c/tempo%2520de%2520estudo.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2052398744008526786</id><published>2009-12-17T14:10:00.000-08:00</published><updated>2009-12-17T14:19:05.429-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#9</title><content type='html'>&lt;ul&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;O ciclo de vida de um ser decorre desde o momento em que se forma até ao momento em que produz descendentes.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Quando se verifica reprodução assexuada, o número de cromosso&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqt_11uJ5I/AAAAAAAAA0c/pWTHBOB3Xt4/s1600-h/estudando.jpg"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 215px; FLOAT: right; HEIGHT: 142px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416332814162208658" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqt_11uJ5I/AAAAAAAAA0c/pWTHBOB3Xt4/s400/estudando.jpg" /&gt;&lt;/a&gt;mas não se altera ao longo do processo.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Durante a reprodução sexuada, ocorre no ciclo de vida de um ser alternância de fases nucleares - a haplofase e a diplofase.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;O desenvolvimento da fase haplóide em relação ao desemvolvimento da fase diplóide depende do momento em que ocorre a meiose, que pode ser meiose pós-zigótica, meiose pré-gamética ou meiose pré-espórica.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:Times New Roman;"&gt;Atendendo ao desenvolvimento relativo das duas fases nucleares, os seres vivos classificam-se em seres haplontes, diplontes ou haplodiplontes.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2052398744008526786?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2052398744008526786/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave9.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2052398744008526786'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2052398744008526786'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave9.html' title='Ideias-Chave#9'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqt_11uJ5I/AAAAAAAAA0c/pWTHBOB3Xt4/s72-c/estudando.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8315942357224000446</id><published>2009-12-17T13:58:00.000-08:00</published><updated>2009-12-17T14:10:32.414-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Notícia#14</title><content type='html'>&lt;div align="justify"&gt;&lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqsLdcvltI/AAAAAAAAA0U/8NM7QS7486w/s1600-h/sorriso-jovem-2502081.jpg"&gt;&lt;img style="TEXT-ALIGN: center; MARGIN: 0px auto 10px; WIDTH: 264px; DISPLAY: block; HEIGHT: 152px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416330814750168786" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqsLdcvltI/AAAAAAAAA0U/8NM7QS7486w/s400/sorriso-jovem-2502081.jpg" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;strong&gt;&lt;span style="font-family:times new roman;"&gt;Jovem evita a esterelidade apesar de submetida e um tratamento anticancerígeno&lt;/span&gt;&lt;/strong&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;"Ha anos, três médicos do Centro Hospitalar de Caen (França) realizaram a implantação de um dos ovários de uma doente, no seu braço esquerdo. &lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;Hoje, o ovário transplantado cujos vasos sanguíneos foram ligados aos do braço, continua a assegurar as suas funções, em particular origina oócitos que podem ser retirados. Depois da fecundação "in vitro", os embriões poderam ser um dia implantados no útero e prosseguir o seu desenvolvimento normal, se a jovem sonhar ter um filho. &lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;O tratamento com radiações e quimioterapio recebido por essa jovem teve sucesso na cura do cancro. No entanto, causou esterilidade no outro ovário. A implantação que havia sido efectuada permitiu pois, neste caso, evitar a esterelidade definitiva."&lt;/span&gt;&lt;/div&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: Este implante possibilitou o normal funcionamento do ovário da jovem. Através da produção regular de oócitos, a rapariga pode ter a oportunidade de ter um filho, no entanto, este não se pode desenvolver no seu sorpo. As novas tecnologias são assim destacadas por situações como esta em que o sonho de uma rapariga pode ser, um dia, realizado.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Fontes informativas: Jornal Oeste - França 09/06/1987&lt;/span&gt; &lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8315942357224000446?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8315942357224000446/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/noticia14.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8315942357224000446'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8315942357224000446'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/noticia14.html' title='Notícia#14'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqsLdcvltI/AAAAAAAAA0U/8NM7QS7486w/s72-c/sorriso-jovem-2502081.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1653761314786996778</id><published>2009-12-17T13:51:00.000-08:00</published><updated>2009-12-17T13:58:08.016-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Ciclo de vida do polipódio</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqoNf8guwI/AAAAAAAAA0M/ntUL37tXYoY/s1600-h/ciclo_vida_polipodio.png"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 195px; FLOAT: right; HEIGHT: 176px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416326451733510914" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqoNf8guwI/AAAAAAAAA0M/ntUL37tXYoY/s400/ciclo_vida_polipodio.png" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: O polipódio é um feto existente em locais húmidos, visto ser a partir da água que ocorre o transporte entre anterídios até aos arquegónios.É desta forma que se dá a reprodução sexuada desta planta. A fase mais desenvolvida é a fase diplóide, estando nela contida o organismo adulto. Ele é aasim um exemplo de organismo haplodiplonte.&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1653761314786996778?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1653761314786996778/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ciclo-de-vida-do-polipodio.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1653761314786996778'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1653761314786996778'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ciclo-de-vida-do-polipodio.html' title='Ciclo de vida do polipódio'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqoNf8guwI/AAAAAAAAA0M/ntUL37tXYoY/s72-c/ciclo_vida_polipodio.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5132773695601913582</id><published>2009-12-17T13:45:00.000-08:00</published><updated>2009-12-17T13:51:45.950-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Ciclo de vida do homem</title><content type='html'>&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Syqn4v6ZvLI/AAAAAAAAA0E/VdGlPK4f5Zs/s1600-h/homem.jpg"&gt;&lt;img style="MARGIN: 0px 10px 10px 0px; WIDTH: 220px; FLOAT: left; HEIGHT: 271px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416326095242378418" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Syqn4v6ZvLI/AAAAAAAAA0E/VdGlPK4f5Zs/s400/homem.jpg" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Syqm16WMoiI/AAAAAAAAAz8/CivODUg_Ux0/s1600-h/homem.jpg"&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: A espécie humana reproduz-se apenas sexuadamente. A meiose é pré-gamética e os maíferos são seres haplodiplontes pois todo o ciclo decorre na fase diplóide e só os gâmetas, provenientes das gónadas e que podem ser espermatozóides ou óvulos, pertencem à fase haplóide.&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5132773695601913582?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5132773695601913582/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ciclo-de-vida-do-homem.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5132773695601913582'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5132773695601913582'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ciclo-de-vida-do-homem.html' title='Ciclo de vida do homem'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Syqn4v6ZvLI/AAAAAAAAA0E/VdGlPK4f5Zs/s72-c/homem.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8505899161998360284</id><published>2009-12-17T13:34:00.000-08:00</published><updated>2009-12-17T13:45:09.075-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Ciclo de vida da espirogira</title><content type='html'>&lt;div align="justify"&gt;&lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqkyfgzHHI/AAAAAAAAAz0/PEVeAlItjPw/s1600-h/ciclo_espirogira.png"&gt;&lt;img style="TEXT-ALIGN: center; MARGIN: 0px auto 10px; WIDTH: 400px; DISPLAY: block; HEIGHT: 312px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416322689225923698" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqkyfgzHHI/AAAAAAAAAz0/PEVeAlItjPw/s400/ciclo_espirogira.png" /&gt;&lt;/a&gt; &lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: Como sabemos, a espirogira é uma alga verde que vive na água doce, fundamentalmente em charcos. Esta é um ser pluricelular e eucarionte e o seu ciclo de vida é exemplo de ciclos de vida de seres haplontes. A meiose é pós-zigótica e, no ciclo de vida da espirogira, aquando da meiose, verifica-se fecundação e meiose, podendo concluir que há alternância de fases nucleares.A reprodução sexuada efectua-se quando o o gâmeta dador movimenta o seu conteúdo celular em direcção ao gâmeta receptor através do tubo de conjugação. Estes fundem-se e formam um ovos/zigotos.&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8505899161998360284?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8505899161998360284/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/blog-post.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8505899161998360284'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8505899161998360284'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/blog-post.html' title='Ciclo de vida da espirogira'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqkyfgzHHI/AAAAAAAAAz0/PEVeAlItjPw/s72-c/ciclo_espirogira.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8724918435952515090</id><published>2009-12-17T12:38:00.000-08:00</published><updated>2009-12-17T13:32:39.802-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Aulas Práticas'/><title type='text'>Biologia#10</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqhaFtNS8I/AAAAAAAAAy0/S0t0oWtvVTY/s1600-h/P231109_09.260002.JPG"&gt;&lt;img style="WIDTH: 132px; HEIGHT: 103px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416318971446905794" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqhaFtNS8I/AAAAAAAAAy0/S0t0oWtvVTY/s400/P231109_09.260002.JPG" /&gt;&lt;/a&gt; &lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqhihEPc2I/AAAAAAAAAy8/UITvVew0QTk/s1600-h/P231109_09.250002.JPG"&gt;&lt;img style="WIDTH: 109px; HEIGHT: 92px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416319116230226786" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqhihEPc2I/AAAAAAAAAy8/UITvVew0QTk/s400/P231109_09.250002.JPG" /&gt;&lt;/a&gt; &lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqhume3qVI/AAAAAAAAAzE/MzhJykzHQjs/s1600-h/P231109_09.270001.JPG"&gt;&lt;img style="WIDTH: 110px; HEIGHT: 106px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416319323842521426" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqhume3qVI/AAAAAAAAAzE/MzhJykzHQjs/s400/P231109_09.270001.JPG" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;a href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SyqiNmoU2MI/AAAAAAAAAzM/1jf-YP-B9tg/s1600-h/P231109_09.530001.JPG"&gt;&lt;img style="WIDTH: 107px; HEIGHT: 103px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416319856458127554" border="0" alt="" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SyqiNmoU2MI/AAAAAAAAAzM/1jf-YP-B9tg/s400/P231109_09.530001.JPG" /&gt;&lt;/a&gt; &lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqiVNUEvVI/AAAAAAAAAzU/PEiq8hTtliU/s1600-h/P231109_09.540001.JPG"&gt;&lt;img style="WIDTH: 117px; HEIGHT: 103px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416319987101252946" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqiVNUEvVI/AAAAAAAAAzU/PEiq8hTtliU/s400/P231109_09.540001.JPG" /&gt;&lt;/a&gt; &lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqij7ha2qI/AAAAAAAAAzc/aqOzY9OVCtE/s1600-h/P231109_09.280001.JPG"&gt;&lt;img style="WIDTH: 135px; HEIGHT: 120px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416320240023427746" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Syqij7ha2qI/AAAAAAAAAzc/aqOzY9OVCtE/s400/P231109_09.280001.JPG" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Syqi3xwRo4I/AAAAAAAAAzk/M91aQJttG7M/s1600-h/P231109_09.290001.JPG"&gt;&lt;img style="WIDTH: 119px; HEIGHT: 134px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416320580998767490" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Syqi3xwRo4I/AAAAAAAAAzk/M91aQJttG7M/s400/P231109_09.290001.JPG" /&gt;&lt;/a&gt; &lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SyqjBzyAouI/AAAAAAAAAzs/F5L_okvNesQ/s1600-h/P231109_09.260001.JPG"&gt;&lt;img style="WIDTH: 184px; HEIGHT: 110px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416320753341604578" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SyqjBzyAouI/AAAAAAAAAzs/F5L_okvNesQ/s400/P231109_09.260001.JPG" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Reprodução sexuada nas plantas com flor foi o tema abordado na aula laboratorial do passado dia 23 de Novembro de 2009. Durante o período de aula, explorámos a flor e os seus constituintes, descobrindo a sua função, ou seja, o seu papel na planta. Aprendemos assim a identificar e distinguir os diferentes orgãos da flor. Observámos e esquematizámos esses orgãos, e, ao fazê-lo, apercebemo-nos que existiam anteras maduras e anteras jovens. Ora, esta distinção entre as anteras levou-nos a conceitos interessantes, assim como estratégias magníficas da flor. Tanto a observação de grãos de polén germinados como a compreensão dos mecanismos de reprdução sexuada no seio da flor, vieram concluir mais uma aula. Seguem-se algumas fotografias tiradas nesse dia.&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8724918435952515090?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8724918435952515090/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/biologia10.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8724918435952515090'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8724918435952515090'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/biologia10.html' title='Biologia#10'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqhaFtNS8I/AAAAAAAAAy0/S0t0oWtvVTY/s72-c/P231109_09.260002.JPG' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-3360355315238618062</id><published>2009-12-14T13:42:00.000-08:00</published><updated>2009-12-14T13:56:31.553-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#8</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sya0ZWRXbVI/AAAAAAAAAx0/bfoqM3RSxoY/s1600-h/ist2_864268-nerd-face-1.jpg"&gt;&lt;img style="cursor: pointer; width: 134px; height: 129px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sya0ZWRXbVI/AAAAAAAAAx0/bfoqM3RSxoY/s400/ist2_864268-nerd-face-1.jpg" alt="" id="BLOGGER_PHOTO_ID_5415213949527747922" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;ul style="text-align: justify;"&gt;&lt;li style="font-family: times new roman;"&gt;Os indivíduos formados por reprodução sexuada apresentam variabilidade genética, quer entre si quer relação aos progenitores.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;A variabilidade genética é consequência de fenómenos que ocorrem na meiose e fecundação.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Na meiose ocorre recombinação entre genes de cromossomas homólogos como resultado de fenómeno de crossing-over e da separação ao acaso dos cromossomas homólogos, condicionando diferentes combinações de cromossomas de linha paterna e materna nas células-filhas.&lt;/li&gt;&lt;li&gt;&lt;span style="font-family: times new roman;font-family:times new roman;" &gt;Na fecundação ocorre a união aleatória de uma grande variedade de gâmetas, geneticamente diferentes.&lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-3360355315238618062?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/3360355315238618062/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave8.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3360355315238618062'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3360355315238618062'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave8.html' title='Ideias-Chave#8'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Sya0ZWRXbVI/AAAAAAAAAx0/bfoqM3RSxoY/s72-c/ist2_864268-nerd-face-1.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-6274540462898188796</id><published>2009-12-14T13:35:00.000-08:00</published><updated>2009-12-14T13:41:53.811-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas engraçadas#8</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Syawhg-JW-I/AAAAAAAAAxU/q7k4i9HeNOs/s1600-h/sister-chromatid.gif"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 316px; height: 282px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Syawhg-JW-I/AAAAAAAAAxU/q7k4i9HeNOs/s400/sister-chromatid.gif" alt="" id="BLOGGER_PHOTO_ID_5415209691792366562" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Reflexão pessoal: Este cartoon pode ser entendido como um cromatídio que foi deixado sozinho após a anafase II na meiose. A sua solidão levou-o a consultar um terapista de genes... Precisa de uma interfase ao que parece este pobre cromossoma.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-6274540462898188796?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/6274540462898188796/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas8.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6274540462898188796'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6274540462898188796'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas8.html' title='Coisas engraçadas#8'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Syawhg-JW-I/AAAAAAAAAxU/q7k4i9HeNOs/s72-c/sister-chromatid.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-6103077397017880854</id><published>2009-12-14T13:25:00.000-08:00</published><updated>2009-12-14T13:34:58.871-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Aspectos comparativos entre a mitose e meiose</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SyatyVfFagI/AAAAAAAAAxI/eVcTKvrY1YE/s1600-h/mitose-og-meiose.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 351px; height: 400px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SyatyVfFagI/AAAAAAAAAxI/eVcTKvrY1YE/s400/mitose-og-meiose.jpg" alt="" id="BLOGGER_PHOTO_ID_5415206682232187394" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Reflexão pessoal: A mitose, como já sabemos, é um mecanismo em que o número de cromossomas das células-filhas é semelhante em relação à célula-mãe. O mesmo não ocorre com a meiose em que estes passam a metade. Outro aspecto que diferencia a mitose da meiose é o número de divisões que ocorrem em cada uma. Enquanto que na primeira só se dá uma e apenas uma divisão, no processo meiótico dão-se duas. Também o número de núcleos formados é distinto, visto que, na mitose se formam apenas dois e na meiose quatro. O emparelhamento de cromossomas homólogos e o crossing-over não se efectuam na mitose e o mesmo não acontece na meiose, em que estes dois fenómenos fazem parte do processo. &lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-6103077397017880854?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/6103077397017880854/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/aspectos-comparativos-entre-mitose-e.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6103077397017880854'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6103077397017880854'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/aspectos-comparativos-entre-mitose-e.html' title='Aspectos comparativos entre a mitose e meiose'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SyatyVfFagI/AAAAAAAAAxI/eVcTKvrY1YE/s72-c/mitose-og-meiose.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-6147819672870155166</id><published>2009-12-14T12:59:00.000-08:00</published><updated>2009-12-14T13:25:06.852-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Notícia#13</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyarzKvMZzI/AAAAAAAAAxA/u7zf3wSMBUs/s1600-h/amorphophallus_titanum.jpg"&gt;&lt;img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 149px; height: 202px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyarzKvMZzI/AAAAAAAAAxA/u7zf3wSMBUs/s400/amorphophallus_titanum.jpg" alt="" id="BLOGGER_PHOTO_ID_5415204497503577906" border="0" /&gt;&lt;/a&gt;&lt;span style="font-weight: bold; font-family: times new roman;"&gt;Gigante vegetal&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;font-size:100%;" &gt;Nas regiões bravias da Indonésia, a flor com mais de dois metros da altura da espécie &lt;span style="font-style: italic;"&gt;Amorphophallus titanum &lt;/span&gt;emite um odor semelhante a carne putrefacta para atrair insectos coleópteros polinizadores. Quando este exemplar floresceu no Jardim Botânico do Nova Iorque em 1937, atraiu multidões. Apesardos cidadãos redobrados a da mudança frequente de vaso, a planta não florescia desde que o jardim adquirira o tuérculo de 27 quilos em 1932. Em 1937, o tubérculo pesava mais 24 quilos e o seu florescimento foi uma surpresa. Embora os botânicos do jardim tenham conseguido induzir o florescimento de um segundo exemplar em 1939, mais nenhuma &lt;span style="font-style: italic;"&gt;Amorphophallus titanum &lt;/span&gt;ali floresteu desde então.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Reflexão pessoal: Achei esta notícia interessante, pois tal como na reprodução as plantas desenvolveram certas estratégias para formar um novo ser, também para obter alimento conseguiram arranjar "truques" de forma a garantir a sua sobrevivência.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Fonte informativa: National Geographic, edição de Dezembro&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-6147819672870155166?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/6147819672870155166/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/noticia13.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6147819672870155166'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6147819672870155166'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/noticia13.html' title='Notícia#13'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SyarzKvMZzI/AAAAAAAAAxA/u7zf3wSMBUs/s72-c/amorphophallus_titanum.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-287969743754894534</id><published>2009-12-14T08:53:00.000-08:00</published><updated>2009-12-14T09:02:09.799-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Reprodução sexuada e variabilidade genética</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyZvfxllusI/AAAAAAAAAww/p46eNLxJ94A/s1600-h/sequencia-dna.png"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 289px; height: 193px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyZvfxllusI/AAAAAAAAAww/p46eNLxJ94A/s400/sequencia-dna.png" alt="" id="BLOGGER_PHOTO_ID_5415138193637227202" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify; color: rgb(0, 0, 0);"&gt;&lt;span style="font-family:times new roman;"&gt;Reflexão pessoal: Tanto a meiose como a fecundação são uma alta fonte que permite a variabilidade genética dos descendentes. Através do processo meiótico, a célula sofre processos de crossing-over e na anafase I à separação ao acaso dos cromossomas homólogos. Ora, estes dois fenómenos resultam num aumento da variabilidade a nível genético, visto que, se o fim da meiose, o processo se repetisse, seria quase impossível reconstruir o resultado da primeira experiência. A fecundação também contribui para esta diversidade, na medida em que, a fusão de dois gâmetas, o masculino e feminino, é também ela aleatória. Não é de admirar que o fruto de uma reprodução sexuada seja um inidíduo único, diferindo dos progenitores e dos seus irmãos. &lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-287969743754894534?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/287969743754894534/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/reproducao-sexuada-e-variabilidade.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/287969743754894534'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/287969743754894534'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/reproducao-sexuada-e-variabilidade.html' title='Reprodução sexuada e variabilidade genética'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SyZvfxllusI/AAAAAAAAAww/p46eNLxJ94A/s72-c/sequencia-dna.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2560904154478044213</id><published>2009-12-14T08:42:00.000-08:00</published><updated>2009-12-14T08:53:16.638-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#7</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyZtJX2jZBI/AAAAAAAAAwo/5PO_p1SUYs0/s1600-h/452501.gif.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 181px; height: 145px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyZtJX2jZBI/AAAAAAAAAwo/5PO_p1SUYs0/s400/452501.gif.jpg" alt="" id="BLOGGER_PHOTO_ID_5415135609748677650" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;ul style="text-align: justify;"&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Na reprodução sexuada ocorrem dois processos complementares, a fecundação e a meiose.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Na fecundação efectua-se uma duplicação cromossómica e na meiose uma redução do número de cromossomas para metade.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;A meiose consta de duas divisões nucleares sucessivas, através das quais, a partir de uma célula diplóide, são originadas quatro células haplóides.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;A profase I é a fase de maior duração, durante a qual ocorre emparelhamento de cromossomas homólogos e fenómenos de crossing-over.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Na anafase I dá-se a separação aleatória dos cromossomas homólogos, o que leva o número de cromossomas para metade.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Na divisão I resultam dois núcleos haplóides, tendo cada cromossoma dois cromatídios.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Na divisão II, os cromatídios de cada cromossoma separam-se em anfase II, originando-se quatro núcleos haplóides.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family: times new roman;font-size:100%;" &gt;Durante a meiose podem ocorrer mutações cromossómicas que afectam o número ou estrutura dos cromossomas das células resultantes.&lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2560904154478044213?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2560904154478044213/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave7.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2560904154478044213'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2560904154478044213'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave7.html' title='Ideias-Chave#7'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SyZtJX2jZBI/AAAAAAAAAwo/5PO_p1SUYs0/s72-c/452501.gif.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8195261507297822975</id><published>2009-12-14T08:38:00.000-08:00</published><updated>2009-12-14T08:42:18.778-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Meiose</title><content type='html'>&lt;object width="425" height="344"&gt;&lt;param name="movie" value="http://www.youtube.com/v/47vf2m-Iyb8&amp;amp;hl=pt_PT&amp;amp;fs=1&amp;amp;color1=0x006699&amp;amp;color2=0x54abd6"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/47vf2m-Iyb8&amp;amp;hl=pt_PT&amp;amp;fs=1&amp;amp;color1=0x006699&amp;amp;color2=0x54abd6" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-size:100%;" &gt;&lt;span style="font-family: times new roman;"&gt;Reflexão pessoal: Mais uma vez faço uma postagem relacionada com a meiose devido à sua relevância no exame... &lt;/span&gt;&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8195261507297822975?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8195261507297822975/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/meiose_14.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8195261507297822975'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8195261507297822975'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/meiose_14.html' title='Meiose'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7769523154949783209</id><published>2009-12-01T14:30:00.000-08:00</published><updated>2009-12-01T14:33:35.788-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas engraçadas#7</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SxWZpH-870I/AAAAAAAAAwg/GCErw7RhTdw/s1600/CROMOSSOMA.jpg"&gt;&lt;img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 142px; height: 91px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SxWZpH-870I/AAAAAAAAAwg/GCErw7RhTdw/s400/CROMOSSOMA.jpg" alt="" id="BLOGGER_PHOTO_ID_5410399459152293698" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;O que diz uma cromossoma a outro?&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;- "Cromossomos bonitos..."&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7769523154949783209?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7769523154949783209/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas7.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7769523154949783209'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7769523154949783209'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/coisas-engracadas7.html' title='Coisas engraçadas#7'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SxWZpH-870I/AAAAAAAAAwg/GCErw7RhTdw/s72-c/CROMOSSOMA.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2206115405675120621</id><published>2009-12-01T13:23:00.000-08:00</published><updated>2009-12-01T13:46:36.406-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Ideias-Chave#6</title><content type='html'>&lt;ul style="text-align: justify;"&gt;&lt;li&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SxWOiO0qJOI/AAAAAAAAAwY/srFiLh8zpng/s1600/baby-wallpaper1.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 206px; height: 154px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SxWOiO0qJOI/AAAAAAAAAwY/srFiLh8zpng/s400/baby-wallpaper1.jpg" alt="" id="BLOGGER_PHOTO_ID_5410387246101177570" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman;"&gt;Nos diferentes processos de reprodução assexuada, um único progenitor produz descendência.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Na reprodução assexuada intervém a mitose, sendo os descendentes em regra geneticamente idênticos entre si e semelhantes ao progenitor.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Os organismos geneticamente iguais designam-se clones.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Na reprodução sexuada ocorrem dois processos complementares, a fecundação e a meiose.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Na fecundação efectua-se uma duplicação cromossómica e na meiose uma redução do número de cromossomas para metade.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;A meiose consta de duas divisões nucleares sucessivas, através das quais, a partir do núcleo de uma célula diplóide, são originados quatro células haplóides.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;A profase I é a fase de maior duração, durante a qual ocorre emparelhamento de cromossomas homólogos e fenómenos de crossing-over.&lt;a href="http://www.blogger.com/post-create.g?blogID=6922094412179240723"&gt;&lt;/a&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Na anafase I dá-se a separação ao acaso dos cromossomas homólogos, o que leva à redução do número de cromossomas para metade.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Na divisão I resultam dois núcleos haplóides, tendo cada cromossoma dois cromatídios.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Na divisão II, os cromatídios de cada cromossoma separam-se em anafase II, originando quatro núcleos haplóides.&lt;/li&gt;&lt;li&gt;&lt;span style="font-family: times new roman;font-family:times new roman;" &gt;Durante a meiose podem ocorrer mutações cromossómicas que afectam o número ou estrutura dos cromossomas das células restantes. &lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2206115405675120621?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2206115405675120621/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave6.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2206115405675120621'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2206115405675120621'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/ideias-chave6.html' title='Ideias-Chave#6'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/SxWOiO0qJOI/AAAAAAAAAwY/srFiLh8zpng/s72-c/baby-wallpaper1.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-701349745629851118</id><published>2009-12-01T13:19:00.000-08:00</published><updated>2009-12-01T13:32:53.497-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Meiose</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SxWJMDOGjhI/AAAAAAAAAwQ/f1bJs_ImDCI/s1600/001.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 386px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SxWJMDOGjhI/AAAAAAAAAwQ/f1bJs_ImDCI/s400/001.jpg" alt="" id="BLOGGER_PHOTO_ID_5410381367471410706" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal: Estudantes, quero salientar que este processo de divisão celular é extremamente importante para nós. Nos exames este assunto está constantemente a sair e, com isto, é importante realçar uma vez mais que é essencial que compreendamos a meiose.&lt;/span&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt; A meiose implica a passagem de diploidia para haploidia. Aqui ocorrem duas divisões sequenciais, a divisão I e a divisão II, dando origem a quatro células haplóides. A divisão I da meiose origina dois núcleos com metade do número de cromossomas do núcleo da célula inicial e é assim designada por divisão reducional. Pelo contrário, na divisão II, a patir destes dois núcleos, originam-se outros núcleos, cada um com o mesmo número de cromossomas do que lhes deu origem, e é então uma divisão equacional.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-701349745629851118?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/701349745629851118/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/meiose.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/701349745629851118'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/701349745629851118'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/meiose.html' title='Meiose'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/SxWJMDOGjhI/AAAAAAAAAwQ/f1bJs_ImDCI/s72-c/001.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-3356653886836086235</id><published>2009-12-01T13:01:00.000-08:00</published><updated>2009-12-01T13:48:42.806-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Fecundação</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;object width="425" height="344"&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal: A fecundação no ser humano é um fenómeno impressionante.. Parece surreal o facto de uma célula, num espaço de mais ao menos 9meses conseguir transformar-se em milhões de células que vão originar um bébé. Com os desenvolvimentos a nível tecnológico, podemos observar as diferentes fases que o feto vai passar com os nossos próprios olhos. Através do cordão umbilical (passa oxigénio, alimentos e água), ele pode crescer e assim começar a reconhecer a voz da sau mãe, sonhar e até sorrir. A verdadeira estrela aqui é o feto, contruindo-se, dividindo-se e desenvolvendo-se num ninho caloroso e protegido.&lt;/span&gt;&lt;param name="movie" value="http://www.youtube.com/v/XOzIUiCpNAM&amp;amp;hl=pt_PT&amp;amp;fs=1&amp;amp;color1=0x3a3a3a&amp;amp;color2=0x999999"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/XOzIUiCpNAM&amp;amp;hl=pt_PT&amp;amp;fs=1&amp;amp;color1=0x3a3a3a&amp;amp;color2=0x999999" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-3356653886836086235?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/3356653886836086235/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/fecundacao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3356653886836086235'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3356653886836086235'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/fecundacao.html' title='Fecundação'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1991443781274852087</id><published>2009-12-01T12:40:00.000-08:00</published><updated>2009-12-17T12:52:25.431-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Aulas Práticas'/><title type='text'>Biologia#9</title><content type='html'>&lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqYGyYx5pI/AAAAAAAAAyE/PnUJYvjm8jE/s1600-h/P091109_10.440002.JPG"&gt;&lt;img style="WIDTH: 106px; HEIGHT: 107px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416308744238786194" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqYGyYx5pI/AAAAAAAAAyE/PnUJYvjm8jE/s400/P091109_10.440002.JPG" /&gt;&lt;/a&gt; &lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqYeJ7EKtI/AAAAAAAAAyU/-TTJak1EkzE/s1600-h/P161109_10.030001.JPG"&gt;&lt;img style="WIDTH: 119px; HEIGHT: 94px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416309145693596370" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqYeJ7EKtI/AAAAAAAAAyU/-TTJak1EkzE/s400/P161109_10.030001.JPG" /&gt;&lt;/a&gt; &lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SyqYVJj7gbI/AAAAAAAAAyM/kj3DnEZAsmk/s1600-h/P161109_09.590001.JPG"&gt;&lt;img style="WIDTH: 120px; HEIGHT: 96px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416308990977737138" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SyqYVJj7gbI/AAAAAAAAAyM/kj3DnEZAsmk/s400/P161109_09.590001.JPG" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;No passado dia 9 de Novembro, a turma 11ºC realizou mais uma actividade experimental. Desta vez, o nosso professor propôs-nos a exploração de conceitos como gemulação e esporulação através da observação de leveduras e bolor do pão. Nesta aula de laboratório, em primeiro lugar, preparámos o pão de forma a que para a semana seja possível extrair, devido à humidade a que o pão vai estar sujeito nesse período de tempo, fungos que formam o bolor. A esporulação é uma forma de reprodução com um único progenitor em que há formação de esporos. Por outro lado, preparámos as leveduras para que conseguissemos observar ao MOC a gemulação. Este é também um processo de reprodução assexuada em que a formação de expansões, chamadas gomos ou gemas, crescem e destacam-se. Cada gomo origina um novo indivíduo. Aqui ficam alguns marcos da experiência.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SyqYsRTeTdI/AAAAAAAAAyc/J2GYJR1DPbg/s1600-h/P161109_10.060001.JPG"&gt;&lt;img style="WIDTH: 118px; HEIGHT: 102px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416309388193189330" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SyqYsRTeTdI/AAAAAAAAAyc/J2GYJR1DPbg/s400/P161109_10.060001.JPG" /&gt;&lt;/a&gt; &lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqZR9Dt69I/AAAAAAAAAys/4pgq_RGsxqA/s1600-h/P161109_10.500002.JPG"&gt;&lt;img style="WIDTH: 113px; HEIGHT: 107px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416310035593423826" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqZR9Dt69I/AAAAAAAAAys/4pgq_RGsxqA/s400/P161109_10.500002.JPG" /&gt;&lt;/a&gt; &lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqZHOetTaI/AAAAAAAAAyk/pnK08rZma1Q/s1600-h/P161109_10.100001.JPG"&gt;&lt;img style="WIDTH: 129px; HEIGHT: 111px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5416309851291471266" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SyqZHOetTaI/AAAAAAAAAyk/pnK08rZma1Q/s400/P161109_10.100001.JPG" /&gt;&lt;/a&gt; &lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1991443781274852087?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1991443781274852087/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/biologia9.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1991443781274852087'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1991443781274852087'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/12/biologia9.html' title='Biologia#9'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SyqYGyYx5pI/AAAAAAAAAyE/PnUJYvjm8jE/s72-c/P091109_10.440002.JPG' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7797035280667259174</id><published>2009-11-26T14:38:00.000-08:00</published><updated>2009-11-26T15:10:17.418-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Falcão Peregrino</title><content type='html'>&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw8FIdXTnuI/AAAAAAAAAwA/ee9-kRN-0UA/s1600/peregrine1.jpg"&gt;&lt;strong&gt;&lt;span style="font-family:times new roman;"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 244px; FLOAT: right; HEIGHT: 142px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5408547320374730466" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw8FIdXTnuI/AAAAAAAAAwA/ee9-kRN-0UA/s400/peregrine1.jpg" /&gt;&lt;/span&gt;&lt;/strong&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;&lt;strong&gt;Classificação&lt;/strong&gt;&lt;br /&gt;Reino - Animalia&lt;br /&gt;Filo - Chordata&lt;br /&gt;SubFilo - Vertebrata&lt;br /&gt;Classe - Aves&lt;br /&gt;Ordem - Falconiformes&lt;br /&gt;Familia - Falconidae&lt;br /&gt;Género - Falco&lt;br /&gt;Espécies - Peregrinus&lt;br /&gt;&lt;/span&gt;&lt;div&gt;&lt;/div&gt;&lt;br /&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;O Falcão Peregrino é provavelmente o animal mais rápido à superfície da Terra, chegando a atingir os 300 Km por hora. Deve o seu nome "Peregrino" aos hábitos nómadas e às suas peregrinações errantes, sobretudo na fase adolescente. Em Portugal, é uma espécie de passagem (Outono-Inverno), sendo muito rara.&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;strong&gt;Tamanho:&lt;/strong&gt; O comprimento oscila entre os 38 a 50 cm e pesa entre 580 a 1 kg.&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;strong&gt;Distribuição:&lt;/strong&gt; Europa, Ásia, África, Austrália, América.&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;strong&gt;Habitat:&lt;/strong&gt; As suas capacidades únicas permitiram-lhe colonizar os mais diversos tipos de habitat, desde os desertos quentes até à tundra, revelando todavia preferência pelas zonas abertas. É encontrado também em grandes cidades.&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;strong&gt;Alimentação: &lt;/strong&gt;É a única rapina que se alimenta exclusivamente de outras aves (sobretudo Pombos-das-rochas), que alcança facilmente no vôo, enterrando as aguçadas garras no seu dorso.&lt;br /&gt;&lt;strong&gt;Reprodução: &lt;/strong&gt;O falcão peregrino faz o ninho numa falésia, nas montanhas à beira de um planalto ou do mar. No norte da Europa, chega a instalar-se em ninhos abandonados por outras aves de rapina nas árvores. A presença humana pode levar a ave ao abandono do ninho, inviabilizando consequentemente a sua postura. &lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:times new roman;"&gt;&lt;div align="justify"&gt;&lt;strong&gt;Status:&lt;/strong&gt; Ameaçado. &lt;/div&gt;&lt;div align="justify"&gt;&lt;/span&gt;&lt;/div&gt; &lt;div align="justify"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Fontes informativas: &lt;/span&gt;&lt;a href="http://rapina.no.sapo.pt/peregrino.html"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;http://rapina.no.sapo.pt/peregrino.html&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: Tal como tinhamos visto na aula, o Falcão Peregrino é uma ave extremamente rápida. A sua reprodução pode ser afectada pelo Homem, visto que, ele é muito sensível a perturbações no período de nitificação. O falcãp eperegrino tornou-se muito raro em certos países da Eurpoa devido ás brutas perseguições do Homme, aos caçadores furtivos que para além de matar progenitores roubam os seus ovos e devido a pesticidas que vão lentamente acumulando neste belíssimo animal que não permitem o desenvolvimento de um feto. As toxinas são ingeridas através de sementes ou animais que se alimentam de insecticidas, infelizmente, este animal, segundo um estudo, não tem a capacidade de expelir esse químico. &lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7797035280667259174?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7797035280667259174/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/falcao-peregrino.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7797035280667259174'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7797035280667259174'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/falcao-peregrino.html' title='Falcão Peregrino'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw8FIdXTnuI/AAAAAAAAAwA/ee9-kRN-0UA/s72-c/peregrine1.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-6017347934631727572</id><published>2009-11-26T14:16:00.000-08:00</published><updated>2009-11-26T14:25:57.070-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Clonagem</title><content type='html'>&lt;div align="justify"&gt;&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw7-wKf5anI/AAAAAAAAAvo/vOF-Nrccfr8/s1600/image009.jpg"&gt;&lt;img style="TEXT-ALIGN: center; MARGIN: 0px auto 10px; WIDTH: 303px; DISPLAY: block; HEIGHT: 322px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5408540305923861106" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw7-wKf5anI/AAAAAAAAAvo/vOF-Nrccfr8/s400/image009.jpg" /&gt;&lt;/a&gt;&lt;span style="color:#000000;"&gt; &lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="color:#000000;"&gt;Reflexão pessoal: A ovelha Dolly, também um tema já estudado e Inglês, foi um avanço enorme na vida do Homem. Após inúmeras tentativas nasceu uma ovelha clone do seu progenitor. Na imagem acima temos uma explicação de como se realizam clonagens por transferência de núcleos. Podemos concluir que, a clonagem de um animal, em si, não é complicada, mas esta envolve muitas dimensões na área do ser humano que, consequentemente, lhe atribuíram tão mà conotação. A clonagem de um ser vivo, ao permitir a "cópia" do seu material genético, põe em causa não só valores e princípos, como também a ordem natural dos fenómenos humanos biológicos. O seu uso permite ainda homogenizar as características de animais utilizados na indústria agro-alimentar.&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-6017347934631727572?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/6017347934631727572/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/clonagem.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6017347934631727572'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6017347934631727572'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/clonagem.html' title='Clonagem'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw7-wKf5anI/AAAAAAAAAvo/vOF-Nrccfr8/s72-c/image009.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-4111861480595605282</id><published>2009-11-26T14:07:00.000-08:00</published><updated>2009-11-26T14:16:41.303-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas Engraçadas#7</title><content type='html'>&lt;div align="justify"&gt;&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw78ZPl1PMI/AAAAAAAAAvg/N4HRG8sc5rE/s1600/1993-05-27.gif"&gt;&lt;img style="MARGIN: 0px 10px 10px 0px; WIDTH: 144px; FLOAT: left; HEIGHT: 190px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5408537713130683586" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw78ZPl1PMI/AAAAAAAAAvg/N4HRG8sc5rE/s400/1993-05-27.gif" /&gt;&lt;/a&gt; &lt;span style="font-family:times new roman;color:#000000;"&gt;Reflexão pessoal: Nesta imagem, uma amiba que está a sofrer o processo de bipartição, confronta outro ser vivo da mesma espécie, a Amanda. Ela afirma com um ar satisfeito, que se vão passar a ver com mais frequência. De facto, elas vão se encontrar muitas mais vezes, visto que, pelo processo de cissiparidade, um indivíduo divide-se em dois com dimensões sensivelmente iguais e material genético semelhante. Podemos então dizer que a Amanda e a sua amiga vão poder "tomar um chá" mais usualmente pois não vai ser só uma Amanda que vai existir, mas milhares delas.&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-4111861480595605282?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/4111861480595605282/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/coisas-engracadas7.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4111861480595605282'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4111861480595605282'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/coisas-engracadas7.html' title='Coisas Engraçadas#7'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw78ZPl1PMI/AAAAAAAAAvg/N4HRG8sc5rE/s72-c/1993-05-27.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1024025195821102540</id><published>2009-11-26T13:15:00.000-08:00</published><updated>2009-12-01T12:40:12.372-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Reprodução Assexuada</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SxV-_8IufcI/AAAAAAAAAwI/zTH2Gm8Pjh8/s1600/11reprodassexu01.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 228px; height: 114px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SxV-_8IufcI/AAAAAAAAAwI/zTH2Gm8Pjh8/s400/11reprodassexu01.jpg" alt="" id="BLOGGER_PHOTO_ID_5410370164295105986" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;A reprodução assexuada ocorre quer em seres unicelulares quer em seres multicelulares, havendo uma grande diversidade de processos. Os casos de reprodução assexuada que se apresentam são alguns tipos dos mais fundamentais.&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;ol style="text-align: justify;"&gt;&lt;li&gt;&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sw7z_YYuccI/AAAAAAAAAuY/YaBLcRv6RdA/s1600/bipartio1py2.png"&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;Amiba &lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sw70ZUzckGI/AAAAAAAAAug/i8Z77418xNY/s1600/leveduras.jpg"&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;Leveduras&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Bolor do pão &lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sw70v--0RKI/AAAAAAAAAuw/lf5q2b4W_88/s1600/planaria.jpg"&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;Planária&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Anémona do mar&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Estrela-do-mar&lt;/span&gt;&lt;/li&gt;&lt;/ol&gt;&lt;p style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;Consideremos os processos de reprodução assexuada mais frequentes: (ver definição de conceitos no dicionário inerente ao meu blog se necessário)&lt;/span&gt;&lt;/p&gt;&lt;ul style="text-align: justify;"&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Bipartição ou cissiparidade &lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Gemulação ou gemiparidade &lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Esporulação&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Multiplicação Vegetativa&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Fragmentação&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Partenogénese&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;p style="color: rgb(0, 0, 0); text-align: justify;"&gt;&lt;span style="font-family:Times New Roman;"&gt;Fontes informativas: Livro "Terra, Universo de Vida"&lt;/span&gt;&lt;/p&gt;&lt;p style="text-align: justify;"&gt;&lt;span style="font-family:Times New Roman;"&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Reflexão pessoal: Com isto, podemos concluir que a reprodução assexuada é bastante vantajosa para a vida do ser humano. Para além de permitir uma reprodução rápida não tem grandes gastos de energias. Contudo, todos os seres produzidos por um único progenitor são seus clones, e se algo afectar a célula ou organismo mãe, todos os seus descendentes vão também ser afectados. &lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1024025195821102540?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1024025195821102540/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reproducao-assexuada.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1024025195821102540'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1024025195821102540'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reproducao-assexuada.html' title='Reprodução Assexuada'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SxV-_8IufcI/AAAAAAAAAwI/zTH2Gm8Pjh8/s72-c/11reprodassexu01.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7758666461698038012</id><published>2009-11-23T14:16:00.000-08:00</published><updated>2009-11-26T14:29:49.356-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Reprodução Assexuada e Sexuada</title><content type='html'>&lt;ul&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Reprodução Assexuada - formam-se novos indivíduos a partir de um só progenitor, sem haver fusão de gâmetas.&lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Reprodução Sexuada - os novos indivíduos são originados a partir de um ovo, célula que resulta da fusão de dois gâmetas. Na reprodução sexuada, a fecundação alterna com a meiose.&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;p align="justify"&gt;&lt;span style="font-family:times new roman;color:#000000;"&gt;Fontes informativas: Livro "Técnicas Laboratoriais de Biologia, Bloco II"&lt;/span&gt;&lt;/p&gt;&lt;p align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="color:#000000;"&gt;Reflexão pessoal: A reprodução assume aspectos muito diversos. A planária é um deles que me maravilha. Ela&lt;/span&gt;&lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sw75VF6EOXI/AAAAAAAAAvA/cDHfePbRjHs/s1600/Prostheceraeus%2520roseus.jpg"&gt;&lt;span style="color:#000000;"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 149px; FLOAT: right; HEIGHT: 90px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5408534343276837234" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sw75VF6EOXI/AAAAAAAAAvA/cDHfePbRjHs/s400/Prostheceraeus%2520roseus.jpg" /&gt;&lt;/span&gt;&lt;/a&gt;&lt;span style="color:#000000;"&gt; pode reproduzir-se asexuadamente ou sexuadamente. Sexuadamente, segundo um estudo recente, as plnárias quando se querem reproduzir, podemos dizer que fazem um duelo. O vencedor é aquele que conseguir ejectar esperma por cima da epiderme do seu adversário. Todos sabemos que as planárias são hermafroditas e cada uma possui dois pénis, mas o que é realmente interessante não é isso, é o facto de o esperma se alojar na epiderme do seu parceiro, e até ela penetrar a planária, ali vai repousar.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7758666461698038012?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7758666461698038012/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reproducao-assexuada-e-sexuada.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7758666461698038012'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7758666461698038012'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reproducao-assexuada-e-sexuada.html' title='Reprodução Assexuada e Sexuada'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Sw75VF6EOXI/AAAAAAAAAvA/cDHfePbRjHs/s72-c/Prostheceraeus%2520roseus.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7293787566677363037</id><published>2009-11-23T14:03:00.001-08:00</published><updated>2009-11-26T14:04:12.892-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Reprodução</title><content type='html'>&lt;div align="justify"&gt;&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sw77KjiZWuI/AAAAAAAAAvI/rDyVfCMkUm0/s1600/200901300348117.jpg"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 218px; FLOAT: right; HEIGHT: 132px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5408536361275316962" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sw77KjiZWuI/AAAAAAAAAvI/rDyVfCMkUm0/s400/200901300348117.jpg" /&gt;&lt;/a&gt; &lt;span style="font-family:times new roman;"&gt;Uma das características consideradas exclusivas dos seres vivos é a reprodução, ou seja a capacidade que os seres vivos têm de originar outros seres portadores de uma informação genéticas semelhante à dos progenitores. Pela reprodução essa informação genética passa de uma geração À geração seguinte. &lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;De facto, a existência de cada indivíduo è transitória. A reprodução assume aspectos muito diversos que podem agrupar-se em dois tipos: reprodução assexuada e reprodução sexuada.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:Times New Roman;color:#000000;"&gt;&lt;/span&gt; &lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:Times New Roman;color:#000000;"&gt;Fontes informativas: Livro, "Terra Universo de Vida"&lt;/span&gt;&lt;/div&gt;&lt;div align="justify"&gt;&lt;span style="font-family:Times New Roman;color:#000000;"&gt;&lt;span style="color:#000000;"&gt;Reflexão pessoal: É de realçar a forma como a vida no nosso planeta se processa. Organismos, dos mais simples aos mais complexos, que conseguem reproduzir-se e assegurar a continuidade da vida. A Natureza desenvolveu estratégias fantásticas. Elas permitem o desenvolvimento de espécies e, de uma forma indirecta, a formação de novos seres vivos, garantindo a variabilidade genética.&lt;/span&gt; &lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7293787566677363037?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7293787566677363037/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reproducao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7293787566677363037'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7293787566677363037'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reproducao.html' title='Reprodução'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Sw77KjiZWuI/AAAAAAAAAvI/rDyVfCMkUm0/s72-c/200901300348117.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7930239829432806742</id><published>2009-11-23T13:58:00.000-08:00</published><updated>2009-11-26T14:07:06.148-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Reprodução'/><title type='text'>Objectivos - reprodução</title><content type='html'>&lt;ul&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;a href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sw775ONKETI/AAAAAAAAAvY/BU4RKvqTL1Y/s1600/infertilidade_9bq4ot.jpg"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 194px; FLOAT: right; HEIGHT: 153px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5408537163002941746" border="0" alt="" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sw775ONKETI/AAAAAAAAAvY/BU4RKvqTL1Y/s400/infertilidade_9bq4ot.jpg" /&gt;&lt;/a&gt; &lt;span style="font-family:times new roman;"&gt;Conhecer a importância dos processos de reprodução assexuada&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Compreender mecanismos básicos que caracterizam a divisão celular&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Reconhecer a importância da mitose no mundo vivo&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Analisar a complementaridade da meiose e da fecundação na reprodução sexuada&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Integrar a alternância da fecundação e meiose nos ciclos de vida dos seres com reprodução sexuada&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Compreender aspectos morfofisiólógicos da reprodução humana&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7930239829432806742?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7930239829432806742/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/objectivos-reproducao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7930239829432806742'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7930239829432806742'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/objectivos-reproducao.html' title='Objectivos - reprodução'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/Sw775ONKETI/AAAAAAAAAvY/BU4RKvqTL1Y/s72-c/infertilidade_9bq4ot.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5523545001166847466</id><published>2009-11-23T13:51:00.000-08:00</published><updated>2009-11-26T14:05:31.934-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#5</title><content type='html'>&lt;ul&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;a href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sw77hm2yi8I/AAAAAAAAAvQ/2ZSO7yomB-g/s1600/boneco.png"&gt;&lt;img style="MARGIN: 0px 0px 10px 10px; WIDTH: 159px; FLOAT: right; HEIGHT: 126px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5408536757303151554" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sw77hm2yi8I/AAAAAAAAAvQ/2ZSO7yomB-g/s400/boneco.png" /&gt;&lt;/a&gt; &lt;span style="font-family:times new roman;"&gt;As potencialidades genéticas dos indivíduos superam largamente as características que eles expressam.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Muitos genes que constituem o património genético destinam-se a regular o funcionamento de outros genes.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Os genes que expressam num determinado contexto dependem das relações que se estabelecem entre o DNA e o ambiente que caracteriza esse contexto.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;li&gt;&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Muitas das potencialidades genéticas das células diferenciadas encontram-se inibidas e nunca chegam a expressar-se.&lt;/span&gt;&lt;/div&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5523545001166847466?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5523545001166847466/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/ideias-chave5.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5523545001166847466'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5523545001166847466'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/ideias-chave5.html' title='Ideias-Chave#5'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Sw77hm2yi8I/AAAAAAAAAvQ/2ZSO7yomB-g/s72-c/boneco.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1369511942019807121</id><published>2009-11-15T10:52:00.000-08:00</published><updated>2009-11-23T13:54:53.852-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Avaliações'/><title type='text'>Notícia#13</title><content type='html'>&lt;p&gt;&lt;object width="425" height="344"&gt;&lt;param name="movie" value="http://www.youtube.com/v/3effZbNI1es&amp;amp;hl=pt_PT&amp;amp;fs=1&amp;amp;color1=0xcc2550&amp;amp;color2=0xe87a9f"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/3effZbNI1es&amp;amp;hl=pt_PT&amp;amp;fs=1&amp;amp;color1=0xcc2550&amp;amp;color2=0xe87a9f" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;/p&gt;&lt;p align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Reflexão pessoal: Como todos sabem, foi descoberta àgua na Lua.. Bem, um aparelho detectou um elemento químico que liga o hidrogénio e o oxigénio e, segundo os cientistas, é água! Na minha opinião esta descoberta pode ser um grande avanço na vida do Homem. Com a escassa àgua potável no nosso planeta, cada vez a tornar-se mais reduzida, poderemos recorrer, em último caso, à "água" na Lua. Calma, não estou a dizer que vão existir tubos ligados entre a Terra e a Lua para que quando quisermos tormar um banho e a água aqui tiver acabado, irmos buscar à Lua. Agora, outra perspectiva. O Homem já conseguiu tantos avanços com a tecnologia, e mesmo sem ela, porque não um dia conseguir ampliar a vida para outro planeta. Onde há água, há vida (: Talvez um dia em vez de vermos uma lua no céu vejamos um planeta azul.&lt;/span&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1369511942019807121?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1369511942019807121/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/noticia13.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1369511942019807121'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1369511942019807121'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/noticia13.html' title='Notícia#13'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-3564116080643270541</id><published>2009-11-15T10:16:00.000-08:00</published><updated>2009-11-15T10:52:32.019-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='A Terra um planeta muito especial'/><title type='text'>Reflexão</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;"&gt;Nas últimas aulas de Inglês a turma 11ºC tem tratado assuntos relacionados com o ambiente. Acontece que vimos um documentário de AlGore, "Uma verdade Inconveniente"e achei interessante tratar no meu e-portefólio visto que estas duas temáticas se relacionam. Como já tinhamos visto no 10ºano, o nosso planeta está vulnerável e se continuarmos com as mesmas atitudes ele ficará cada vez mais frágil e poderá mesmo chegar a um ponto em que não conseguirá aguentar a vida humana. Este tema não é desconhecido e é bastante popular. As transformações são já evidentes! Os glaciares estão a derreter, os animais e plantas estão a ser forçados do seu habitat e o número de inundações e secas aumenta de dia para dia. Muitos cientistas agora concordam que o aquecimento global não é um fenómeno natural, mas sim uma consequência dos actos humanos. Upon Sinclair um dia disse "É difícil fazer com que o Homem entenda quando o seu salário depende na sua ignorância". Talvez seja verdade mas penso que ainda há tempo para mudarmos as coisas, o momento para nos juntarmos e mudar o Mundo é agora. &lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-3564116080643270541?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/3564116080643270541/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reflexao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3564116080643270541'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3564116080643270541'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/reflexao.html' title='Reflexão'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5690693373789398340</id><published>2009-11-14T05:06:00.000-08:00</published><updated>2009-11-14T06:18:23.607-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Avaliações'/><title type='text'>E-portefólios: Outubro</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;No dia 13 de Novembro de 2009, o professor José Salsa fez algumas observações sobre os e-portefólios da turma 11ºC. Penso que a nível geral as notas foram boas, mas tenho a c&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv67-MZbBVI/AAAAAAAAAtI/X4pK_oZ-rEk/s1600-h/e-portef%C3%B3lio_mds.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 206px; height: 206px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv67-MZbBVI/AAAAAAAAAtI/X4pK_oZ-rEk/s400/e-portef%C3%B3lio_mds.jpg" alt="" id="BLOGGER_PHOTO_ID_5403963280045311314" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;erteza que conseguimos melhores resultados colegas. Temos de nos empenhar e dedicar periodicamente&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt; a estes po&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;rtefólios digitais. Fiquei satisfeita porque o meu blog teve uma boa classificação, mas tenho a certeza que consigo muito melhor. No entanto, constatei algumas imperfeições no blog e no meu trabalho online que é necessário corrigir, tais como algumas postagens sem reflexão pessoal e sem indicação de fonte. Dou os meus parabéns aos colegas que tiveram uma boa classificação e aos que não tiveram uma nota tão elevada espero que não tenham ficado tristes. Têm a oportunidade de mostrarem o que valem na próxima avaliação.. Não desanimem, isto é só o início! &lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5690693373789398340?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5690693373789398340/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/e-portefolios-outubro.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5690693373789398340'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5690693373789398340'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/e-portefolios-outubro.html' title='E-portefólios: Outubro'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv67-MZbBVI/AAAAAAAAAtI/X4pK_oZ-rEk/s72-c/e-portef%C3%B3lio_mds.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8784912589036768759</id><published>2009-11-14T04:37:00.000-08:00</published><updated>2009-11-14T05:06:11.206-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Notícia#12</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-weight: bold; font-style: italic; font-family: times new roman;font-family:times new roman;" &gt;Um tomate de 25milhões de doláres&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;font-family:times new roman;" &gt;"O primeiro tomate geneticamente modificado fez a sua aparição no Outono de Setembro de 1993 nos supermercados americanos. A modificação do seu DNA permitiu conservá-lo durante mais tempo. Esta modificação custou 25milhões de dólares e consistiu em juntar um gene que bloq&lt;/span&gt;&lt;a style="font-family: times new roman;" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sv6mA30b_fI/AAAAAAAAAtA/c8FG_gXlQtw/s1600-h/genticallay-modified-tomato.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 212px; height: 166px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sv6mA30b_fI/AAAAAAAAAtA/c8FG_gXlQtw/s400/genticallay-modified-tomato.jpg" alt="" id="BLOGGER_PHOTO_ID_5403939136805273074" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman;font-family:times new roman;" &gt;ueia produção natural de uma enzima responsável pela maturação e pelo apodrecimento. &lt;/span&gt;&lt;span style="font-family: times new roman;font-family:times new roman;" &gt;A recção ao anúncio da chegada do tomate calgene (seu nome) foi surpreendente. Uma campanha hostil foi montada contra ele e 2500 informaram o público de que nunca o utilizariam.&lt;/span&gt; &lt;span style="color: rgb(0, 0, 0); font-family: times new roman;font-family:times new roman;" &gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Fontes informativas: "In Science et Vie, nº912"&lt;/span&gt;&lt;/span&gt; &lt;span style="color: rgb(0, 0, 0); font-family: times new roman;font-family:times new roman;" &gt;&lt;br /&gt;Reflexão pessoal:&lt;/span&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);font-family:times new roman;" &gt; O que discutimos na sala de aula vai ao encontro desta notícia. Esta nota fez-me reflectir sobre perspectivas e problemas que a engenharia genética levanta. Penso que a modificação do DNA de qualquer ser vivo é benéfico, visto que permite uma maior variabilidade genética. Por outro lado, nada escapa aos aspectos negativos e por isso acho que a alteração do material genético de todos os seres vivos é claramente prejudicial. Como foi abordado na aula, o milho é uma vítima desta descoberta. Parece que conseguiram desenvolver um milho transgénico que dava espigas maiores, e para seu próprio lucro, o ser humano adoptou todo esta nova espécie de milho. Isto levanta um enorme aglomerado de consequências. Como sabem, o milho é uma das bases do nosso alimento, e se, como o vírus da gripeA apareceu, surge um vírus que ataca este milho , o Homem vai ultrapassar, muito provavelmente, por situações gerais de fome. &lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8784912589036768759?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8784912589036768759/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/noticia12.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8784912589036768759'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8784912589036768759'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/noticia12.html' title='Notícia#12'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/Sv6mA30b_fI/AAAAAAAAAtA/c8FG_gXlQtw/s72-c/genticallay-modified-tomato.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-596280272966828006</id><published>2009-11-14T04:05:00.001-08:00</published><updated>2009-11-15T03:04:20.020-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Aulas Práticas'/><title type='text'>Biologia#8</title><content type='html'>&lt;div align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="FONT-STYLE: italic"&gt;Fase Mitótica em células vegetais&lt;/span&gt; &lt;/span&gt;&lt;/div&gt;&lt;p style="TEXT-ALIGN: justify" align="justify"&gt;&lt;span style="font-family:times new roman;"&gt;Na última aula laboratorial, a turma 11ºC realizou uma preparação do ápice radicular da cebola e observou-a ao microscópico óptico com o objectivo de identificar as diferentes fases do ciclo &lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SvnAXBSpsPI/AAAAAAAAArw/FWMg5GT8q14/s1600-h/fasemititcelveget3.jpg"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;img style="MARGIN: 0pt 0pt 10px 10px; WIDTH: 170px; FLOAT: right; HEIGHT: 209px; CURSOR: pointer" id="BLOGGER_PHOTO_ID_5402560729723810034" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SvnAXBSpsPI/AAAAAAAAArw/FWMg5GT8q14/s400/fasemititcelveget3.jpg" /&gt;&lt;/span&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;celular presentes na amostra. É importante termos em conta que o ciclo celular é o processo pela qual a célula passa desde o seu nascimento até que se divide.&lt;br /&gt;Este processo engloba duas fases, a interfase e a fase mitótica. Foi-nos possível observar, identificar e fazer o esboço das variadas subfases, desde a interfase até uma possível citocinese. Terminada a aula, concluímos que a mitose é um importante processo para os vegetais, visto que, permite o seu desenvolvimento e crescimento. É essencial ainda salientar que a citocinese nas células vegetais é muito diferente daquelas da célula animal. Nestas últimas, a citocinese ocorre por estrangulamento do citoplasma enquanto que nas células vegetais, devido á parede celular bastante rígida, as vesículas derivadas pelo complexo de Golgi alinham-se na zona equatorial, fundindo-se para formar uma membrana citoplasmática de cada uma das células filha.&lt;/span&gt;&lt;br /&gt;&lt;/p&gt;&lt;div align="justify"&gt;&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_ck3MzV0I/AAAAAAAAAtY/YLxLeUus_G8/s1600-h/19102009221.jpg"&gt;&lt;img style="WIDTH: 164px; HEIGHT: 129px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5404280603718932290" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_ck3MzV0I/AAAAAAAAAtY/YLxLeUus_G8/s400/19102009221.jpg" /&gt;&lt;/a&gt;&lt;a href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sv_czebsoII/AAAAAAAAAtg/IZa1T9K5GGA/s1600-h/19102009239.jpg"&gt;&lt;img style="WIDTH: 147px; HEIGHT: 131px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5404280854768558210" border="0" alt="" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sv_czebsoII/AAAAAAAAAtg/IZa1T9K5GGA/s400/19102009239.jpg" /&gt;&lt;/a&gt; &lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_dYA5quRI/AAAAAAAAAtw/7JVG_vHt3sI/s1600-h/19102009241.jpg"&gt;&lt;img style="WIDTH: 197px; HEIGHT: 131px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5404281482496358674" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_dYA5quRI/AAAAAAAAAtw/7JVG_vHt3sI/s400/19102009241.jpg" /&gt;&lt;/a&gt;&lt;a href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sv_dqliS79I/AAAAAAAAAt4/cx_JKYs4zLc/s1600-h/19102009236.jpg"&gt;&lt;img style="WIDTH: 130px; HEIGHT: 129px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5404281801568088018" border="0" alt="" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sv_dqliS79I/AAAAAAAAAt4/cx_JKYs4zLc/s400/19102009236.jpg" /&gt;&lt;/a&gt;&lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_eqOomVeI/AAAAAAAAAuI/QlASlZLr5DI/s1600-h/19102009227.jpg"&gt;&lt;img style="WIDTH: 192px; HEIGHT: 129px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5404282894932137442" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_eqOomVeI/AAAAAAAAAuI/QlASlZLr5DI/s400/19102009227.jpg" /&gt;&lt;/a&gt; &lt;a href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_eKJs-CnI/AAAAAAAAAuA/1DlxLc0Y97Q/s1600-h/19102009240.jpg"&gt;&lt;img style="WIDTH: 106px; HEIGHT: 128px; CURSOR: hand" id="BLOGGER_PHOTO_ID_5404282343852477042" border="0" alt="" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv_eKJs-CnI/AAAAAAAAAuA/1DlxLc0Y97Q/s400/19102009240.jpg" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Aqui ficam algumas fotografias da nossa aula laboratorial. Publiquei algumas imagens, se alguém não quiser estar presente, por favor avisem e retiro de imediato x)&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="TEXT-ALIGN: justify"&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-596280272966828006?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/596280272966828006/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/buki.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/596280272966828006'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/596280272966828006'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/buki.html' title='Biologia#8'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SvnAXBSpsPI/AAAAAAAAArw/FWMg5GT8q14/s72-c/fasemititcelveget3.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-524546060202145375</id><published>2009-11-14T04:00:00.000-08:00</published><updated>2009-11-14T04:35:19.682-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Aulas Práticas'/><title type='text'>Biologia#7</title><content type='html'>&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-style: italic;"&gt;&lt;span style="font-weight: bold;"&gt;Exploração de animações digitais sobre DNA e processos celulares associados&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="font-family:times new roman;"&gt;No passado dia 12 de Outubro a turma 11ºC analisou animações digitais sobre o processamento &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv6f4_Mgs4I/AAAAAAAAAs4/nFNfgrxcEug/s1600-h/microscoopio.jpg"&gt;&lt;img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 184px; height: 158px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv6f4_Mgs4I/AAAAAAAAAs4/nFNfgrxcEug/s400/microscoopio.jpg" alt="" id="BLOGGER_PHOTO_ID_5403932404276573058" border="0" /&gt;&lt;/a&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="font-family:times new roman;"&gt;de DNA, os mecanismos&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="font-family:times new roman;"&gt; de reparação&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="font-family:times new roman;"&gt; de DNA e a síntese de proteínas (tradução). O meu grupo realizou a sua exploração e daí resultou um c&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;span style="font-family:times new roman;"&gt;onjunto de infromações que foi posteriormente organizado em formato Microsoft Office Word. Nessa mesma aula laboratorial observámos preparações definitivas ao microscópio óptico. Mais uma vez vos apresento um resuminho do que se sucedeu mas mais pormenores irão ser revelados com a publicação dos relatórios. Logo que possível irei-vos apresentar isso ;)&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-524546060202145375?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/524546060202145375/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/biologia8.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/524546060202145375'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/524546060202145375'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/biologia8.html' title='Biologia#7'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv6f4_Mgs4I/AAAAAAAAAs4/nFNfgrxcEug/s72-c/microscoopio.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-3884930947733847389</id><published>2009-11-14T02:21:00.000-08:00</published><updated>2009-11-14T02:24:57.214-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Avaliações'/><title type='text'>1ª Teste de Avaliação</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv6FaIzXlvI/AAAAAAAAAsw/IkQdg67Gg6o/s1600-h/exam.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 231px; height: 230px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv6FaIzXlvI/AAAAAAAAAsw/IkQdg67Gg6o/s400/exam.jpg" alt="" id="BLOGGER_PHOTO_ID_5403903286977206002" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;font-size:100%;" &gt;No dia 11 de Novembro de 2009, o Professor José Salsa entregou as tão esperadas primeiras fichas de Avaliação sumativa na disciplina de Biologia. &lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;font-size:100%;" &gt; Realizado no dia 28 de Outubro de 2009, este teste não correspondeu ás minhas expectativas. Penso que a minha classificação foi boa, no entanto, cometi erros que penso que os poderia ter evitado. A meu ver, no próximo momento de avaliação escrita tenho de tentar combater estas pequenas distracções que podem fazer a diferença num futuro teste de Biologia.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;font-size:100%;" &gt; Espero que vos tenha corrido bem o teste colegas, caso contrário, o ano lectivo acaba de começar, muitos testes virão para mostrarmos o que valemos e outras oportunidades surgirão para obter uma nota excelente. Ainda há tempo de satisfazer as nossas expectativas.&lt;br /&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-3884930947733847389?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/3884930947733847389/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/1-teste-de-avaliacao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3884930947733847389'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3884930947733847389'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/1-teste-de-avaliacao.html' title='1ª Teste de Avaliação'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Sv6FaIzXlvI/AAAAAAAAAsw/IkQdg67Gg6o/s72-c/exam.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5645000126408720854</id><published>2009-11-10T12:21:00.000-08:00</published><updated>2009-11-14T02:33:19.594-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Conceitos Importantes</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvnQSK2AsaI/AAAAAAAAAso/Ip8VaocQVr8/s1600-h/hl.gif"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 230px; height: 215px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvnQSK2AsaI/AAAAAAAAAso/Ip8VaocQVr8/s400/hl.gif" alt="" id="BLOGGER_PHOTO_ID_5402578238574735778" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;ul&gt;&lt;li style="font-family: times new roman;"&gt;Anafase&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Base Azotada&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Cariótipo&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Célula especializada&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Célula indiferenciada&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Centríolo&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Centrómero&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Ciclo Celular&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Citocinese&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Clonagem&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Clone&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Codão&lt;br /&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Código Genético&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Codogene&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Cromatídio&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Cromossoma&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Desoxirribose&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Diferenciação Celular&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;DNA&lt;br /&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Fase Mitótica&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Gene&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Gene Promotor&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Gene Regulador&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Gene Estrutural&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Genoma&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Invólucro Nuclear&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Metafase&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Metastitazação&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Mitose&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Mutação Genética&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Núcleo&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Nucleótido&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Profase&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Replicação&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Ribose&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Ribossoma&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;RNA&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Telofase&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Tradução&lt;/li&gt;&lt;li&gt;&lt;span style="font-family: times new roman;"&gt;Transcrição&lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5645000126408720854?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5645000126408720854/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/conceitos-importantes.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5645000126408720854'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5645000126408720854'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/conceitos-importantes.html' title='Conceitos Importantes'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SvnQSK2AsaI/AAAAAAAAAso/Ip8VaocQVr8/s72-c/hl.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5302707010566766757</id><published>2009-11-10T11:55:00.000-08:00</published><updated>2009-11-14T01:44:32.913-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Estabilidade do programa genético</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SvnHwG4TNFI/AAAAAAAAAsQ/_N3a2K3spXM/s1600-h/sl_32.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 212px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SvnHwG4TNFI/AAAAAAAAAsQ/_N3a2K3spXM/s400/sl_32.jpg" alt="" id="BLOGGER_PHOTO_ID_5402568857302021202" border="0" /&gt;&lt;/a&gt;&lt;div  style="text-align: center;font-family:times new roman;"&gt;&lt;div style="text-align: justify;"&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;font-size:100%;" &gt;1-Intervalo G1; 2-Fase S; 3- Intervalo G2; 4/5-Fase mitótica&lt;/span&gt;&lt;/div&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt; &lt;/div&gt;&lt;div style="font-family: times new roman; text-align: justify;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Durante o período S da interfase, ocorreu a duplicação semi-conservativa do DNA, o que faz com que cada cromossoma seja constituído por duas moléculas de DNA (2Q)-cromatídios.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family: times new roman;"&gt;Durante a anáfase, os cromatídios separam-se e vão para os pólos da célula. Quando a célula se divide, formando duas células-filhas, cada uma delas recebe cromossomas iguais às da célula-mãe.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Reflexão pessoal: A estabilidade genética é assegurada na divisão celular, pois o programa genético de uma célula é transmitido, em regra, com fidelidade às células-filhas. Este mecanismo de copiar e dividir assegura a estabilidade genética ao longo das gerações futuras. Sem ele, receio que fossemos seres arrepiantes...&lt;/span&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Fontes informativas: http://hpqc.blogspot.com/2008/10/estabilidade-do-programa-gentico.html&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5302707010566766757?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5302707010566766757/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/1-intervalo-g1-2-fase-s-3-intervalo-g2.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5302707010566766757'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5302707010566766757'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/1-intervalo-g1-2-fase-s-3-intervalo-g2.html' title='Estabilidade do programa genético'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SvnHwG4TNFI/AAAAAAAAAsQ/_N3a2K3spXM/s72-c/sl_32.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1586011646017644012</id><published>2009-11-10T11:36:00.000-08:00</published><updated>2009-11-14T02:32:47.056-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Notícia#11</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;James Watson, Prémio Nobel da Medicina estará na Fundação Gulbenkian na próxima sexta-feira, dia 6, onde irá falar na conferência &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;"Cure cancer today, not tomorrow". &lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvnCJZE_OVI/AAAAAAAAAr4/C9P3quceIZs/s1600-h/0000015498.jpg"&gt;&lt;img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 217px; height: 144px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvnCJZE_OVI/AAAAAAAAAr4/C9P3quceIZs/s400/0000015498.jpg" alt="" id="BLOGGER_PHOTO_ID_5402562694614038866" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;O Prémio Nobel, que foi um dos autores da descoberta da estrutura damolécula de DNA, &lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;preside ao Conselho Científico da Fundação Champalimaud, após ter completado 80 anos. Esta iniciativa insere-se no programa de actividades do Centro Champalimaud de Investigação e Tratamento de Cancro.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;span style="font-size:100%;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;font-size:100%;"  &gt;Fontes informativas: Focus (10/11/2009)&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;font-size:100%;"  &gt;Reflexão pessoal: Apesar de toda a contribuição que James Watson teve na história da Biologia, podemos ver, com esta notícia, que o seu contributo para a Humanidade não acaba por aí. Este homem com mais de 80 anos continua a ser uma grande influência nos dias de hoje, mesmo depois da sua grande descoberta em Abril de 1953, em que, juntamente com Francis Crick, estes dois amigos apresentaram um modelo em dupla hélice para a estrutura do DNA, compatível com as suas propriedades.&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1586011646017644012?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1586011646017644012/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/noticia11.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1586011646017644012'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1586011646017644012'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/noticia11.html' title='Notícia#11'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SvnCJZE_OVI/AAAAAAAAAr4/C9P3quceIZs/s72-c/0000015498.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7680125273429829406</id><published>2009-11-08T10:24:00.000-08:00</published><updated>2009-11-14T02:05:25.686-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas engraçadas#6</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Reflexão pessoal: Neste cartoon podemos observar de uma forma bastante engraçada a replicação do DNA. A criatura de branco suponho que seja uma molécula de DNA e a "maquinaria mágica "que tem a capacidade de duplicar o sujeito é o nosso organismo. Com esta figura é essencial destacar a importância de replicação nos seres vivos. A autoduplicação assegura a conservação do património genético de célula para célula, ao longo das gerações.&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SvcM_LDd_WI/AAAAAAAAAro/EVvQDdImsp4/s1600-h/novo-7.jpg"&gt;&lt;img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 400px; height: 339px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SvcM_LDd_WI/AAAAAAAAAro/EVvQDdImsp4/s400/novo-7.jpg" alt="" id="BLOGGER_PHOTO_ID_5401800557492829538" border="0" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7680125273429829406?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7680125273429829406/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/coisas-engracadas6.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7680125273429829406'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7680125273429829406'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/coisas-engracadas6.html' title='Coisas engraçadas#6'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SvcM_LDd_WI/AAAAAAAAAro/EVvQDdImsp4/s72-c/novo-7.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2550415872069782688</id><published>2009-11-08T09:33:00.000-08:00</published><updated>2009-11-14T03:16:49.331-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Notícia#10</title><content type='html'>&lt;span style="font-family:times new roman;"&gt;&lt;span style="font-weight: bold;"&gt;Entrevista com James Watson&lt;/span&gt;&lt;br /&gt;No segundo seminário sobre a Cooperação Internacional do Programa Genoma Humano, realizado em Valência, foram colocadas ao investigador James Watson algumas questões:&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-style: italic;font-family:times new roman;" &gt;- Crê que o Programa Genoma Humano permitirá identificar os genes relativos aos caracteres humanos da personalidade e da inteligência?&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;- Os traços da personalidade são muito complexos e não sabemos qual a actividade dos genes e do ambiente.. Parece-me muito improvável conseguir uma genética em condições óptimas para determinar este tipo de características.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-style: italic;font-family:times new roman;" &gt;- Pensa que algumas características de comportamento, como o alcoolismo, estão re&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvcEPGOWC8I/AAAAAAAAAqg/Tx47WF1QM3M/s1600-h/410w.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 175px; height: 131px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvcEPGOWC8I/AAAAAAAAAqg/Tx47WF1QM3M/s400/410w.jpg" alt="" id="BLOGGER_PHOTO_ID_5401790935469525954" border="0" /&gt;&lt;/a&gt;&lt;span style="font-style: italic;font-family:times new roman;" &gt;lacionadas com os genes?&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;- Segundo uns trabalhos realizados com gémeos idênticos, refiro-me a gémeos idênticos que cresceram separados, em ambientes diferentes, está bastante claro que se trata de uma característica genética.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-style: italic;font-family:times new roman;" &gt;- Considera que o DNA de uma pessoa é algo confidencial?&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;- Sim, com certeza, é ilegal divulgar o DNA de um indivíduo, a profissão médica guarda a história de um doente como algo confidencial.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-style: italic;font-family:times new roman;" &gt;- Que problemas éticos trará consigo o Projecto Genoma?&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;- Quando se estuda o cancro a um determinado nível genético, após identificação dos genes respectivos, seremos capazes, em alguns casos, de saber se a pessoa está predisposta a contrair o cancro. Algumas questões podem então colocar-se: se podemos detectar estes genes defeituosos e portanto as doenças para que se está predisposto, quem deveria ter esta informação? Deveria comunicar-se à pessoa?&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal: Menciono bastantes vezes James Watson pois, como já explicado anteriormente no meu e-portefólio, penso que se a minha paixão por Biologia existe, por parte se deve a esta figura. Ele estudou o material genético e conseguiu desenvolver a sua estrutura, permitindo a análise mais pormenorizada do DNA.  O meu gosto pela Biologia, em parte, devo-o ao senhor James.&lt;/span&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-size:100%;" &gt;&lt;span style="font-family: times new roman;"&gt;Fontes informativas: Livro "Terra, Universo de Vida"&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2550415872069782688?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2550415872069782688/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/entrevista-com-james-watson.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2550415872069782688'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2550415872069782688'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/entrevista-com-james-watson.html' title='Notícia#10'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SvcEPGOWC8I/AAAAAAAAAqg/Tx47WF1QM3M/s72-c/410w.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-887984386438506588</id><published>2009-11-07T08:15:00.000-08:00</published><updated>2009-11-10T11:48:46.846-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#4</title><content type='html'>&lt;ul&gt;&lt;li style="font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;No núcleo das células eucarióticas localizam-se os cromossomas, que são contituídos por DNA e proteínas.&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvcAPmy8kdI/AAAAAAAAAqY/G2NpaiN6CZc/s1600-h/Disney-Chicken-Little.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 173px; height: 176px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SvcAPmy8kdI/AAAAAAAAAqY/G2NpaiN6CZc/s400/Disney-Chicken-Little.jpg" alt="" id="BLOGGER_PHOTO_ID_5401786546166469074" border="0" /&gt;&lt;/a&gt;&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;Os cromossomas podem apresentar-se condensados ou dispersos ao longo da sua vida na célula.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;Um ciclo celular inclui a interfase e a fase mitótica&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;A interfase compreende os períodos G1, S e G2, sendo no período S que se dá a replicação do DNA.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;Na fase mitótica, a célula divide-se em duas geneticamente iguais, começando por se dividir o núcleo,mitose, e depois o citoplasma, citocinese.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family: times new roman;font-family:times new roman;font-size:100%;"  &gt;O ciclo celular está sujeito a rigorosos mecanismos de regulação.&lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style="text-align: justify;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-887984386438506588?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/887984386438506588/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/ideias-chave4.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/887984386438506588'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/887984386438506588'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/ideias-chave4.html' title='Ideias-Chave#4'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SvcAPmy8kdI/AAAAAAAAAqY/G2NpaiN6CZc/s72-c/Disney-Chicken-Little.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8191556839664418469</id><published>2009-11-07T08:14:00.001-08:00</published><updated>2009-11-14T04:33:57.240-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Aulas Práticas'/><title type='text'>Biologia#6</title><content type='html'>&lt;span style="font-weight: bold; font-style: italic;font-family:times new roman;" &gt;Extracção de DNA das células do kiwi&lt;br /&gt;&lt;/span&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;font-family:times new roman;" &gt;Na passada segunda-feira, dia 21 de Setembro de 2009, o turno 2 do 11ºC realizou a sua primeira actividade experimental no departamento de Biologia. Este ano lectivo foi iniciado com a extracção de DNA das células do kiwi.&lt;/span&gt;&lt;span style="font-family: times new roman;"&gt; Para iniciar o nosso percurso de 11ºano, foi-nos proposta esta actividade bastante simples. Em suma, retirámos o DNA das células do kiwi e, após deixar a amostra em repouso, observámos o resultado. Um pequeno novelo se formou. Mais detalhes irão ser apresentados quando publicar o relatório no e-portefólio. Até lá, deixo-vos um cheirinho de como foi a nossa experiência.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8191556839664418469?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8191556839664418469/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/fase-mitotica-em-celulas-vegetais.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8191556839664418469'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8191556839664418469'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/fase-mitotica-em-celulas-vegetais.html' title='Biologia#6'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1517563930434879663</id><published>2009-11-07T08:13:00.000-08:00</published><updated>2009-11-26T14:34:18.760-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Fases do ciclo celular</title><content type='html'>&lt;div style="TEXT-ALIGN: justify"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SvcKh1iIxdI/AAAAAAAAArQ/U-qPhD24_QE/s1600-h/mitose%21.jpg"&gt;&lt;img style="TEXT-ALIGN: center; MARGIN: 0px auto 10px; WIDTH: 323px; DISPLAY: block; HEIGHT: 400px; CURSOR: pointer" id="BLOGGER_PHOTO_ID_5401797854476420562" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SvcKh1iIxdI/AAAAAAAAArQ/U-qPhD24_QE/s400/mitose%21.jpg" /&gt;&lt;/a&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SvcKpaT6WcI/AAAAAAAAArY/H1pbPNHzGWs/s1600-h/citocinese.jpg"&gt;&lt;img style="TEXT-ALIGN: center; MARGIN: 0px auto 10px; WIDTH: 294px; DISPLAY: block; HEIGHT: 215px; CURSOR: pointer" id="BLOGGER_PHOTO_ID_5401797984607951298" border="0" alt="" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SvcKpaT6WcI/AAAAAAAAArY/H1pbPNHzGWs/s400/citocinese.jpg" /&gt;&lt;/a&gt;&lt;span style="COLOR: rgb(0,0,0);font-family:lucida grande;" &gt;&lt;span style="font-family:times new roman;"&gt;Reflexão pessoal: É importante no estudo do ciclo celular conseguir reconhecer e identificar as características que estão associadas ás subfases. Numa primeira fase ocorre a interfase, dividida pelos intervalo G1, período S e intervalo G2. Numa segunda etapa está presente a profase, metafase, anafase e telofase. Para finalizar o processo da fase mitótica, dá-se a citocinese (difere de células vegetais para animais). A principal característica da divisão cecular é a sua natureza ciclíca.&lt;/span&gt; &lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1517563930434879663?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1517563930434879663/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/fases-do-ciclo-celular.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1517563930434879663'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1517563930434879663'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/fases-do-ciclo-celular.html' title='Fases do ciclo celular'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SvcKh1iIxdI/AAAAAAAAArQ/U-qPhD24_QE/s72-c/mitose%21.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2084619435461556523</id><published>2009-11-07T08:12:00.000-08:00</published><updated>2009-11-14T03:36:11.258-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Estrutura dos cromossomas das células eucarióticas</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SvcMfj8LaBI/AAAAAAAAArg/67Vp2-_PcaI/s1600-h/cromossoma.png"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 331px; height: 400px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SvcMfj8LaBI/AAAAAAAAArg/67Vp2-_PcaI/s400/cromossoma.png" alt="" id="BLOGGER_PHOTO_ID_5401800014417324050" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);font-size:100%;" &gt;&lt;br /&gt;&lt;/span&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);font-size:100%;" &gt;Reflexão pessoal: O cariótipo humano possui 23 pares de cromossomas, ou seja, ao todo o ser humano possui 46 cromossomas que vão codificar todas as características que lhe são inerentes. Impressionante não é? Um cromossoma, que nem sempre é visível ao microscópico óptico, codifica tudo o que somos. Talvez não tudo, mas isso já é outro tema a tratar. Ligados pelo centrómero, estas unidades morfológicas e fisiológicas de cromatina, distribuem-se de diferentes formas ao longo do ciclo celular. Ao longo da interfase o material genético encontra-se distendido de forma que a sua replicação seja facilitada. Pelo contrário, durante a mitose, este está condensado formando os cromossomas ajudando a divisão e mobilidade das células filhas.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2084619435461556523?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2084619435461556523/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/estrutura-dos-cromossomas-das-celulas.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2084619435461556523'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2084619435461556523'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/estrutura-dos-cromossomas-das-celulas.html' title='Estrutura dos cromossomas das células eucarióticas'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SvcMfj8LaBI/AAAAAAAAArg/67Vp2-_PcaI/s72-c/cromossoma.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-199712286881038303</id><published>2009-11-07T08:09:00.001-08:00</published><updated>2009-11-14T03:49:27.318-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Ciclo Celular</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;object width="425" height="344"&gt;&lt;/object&gt;&lt;object style="color: rgb(0, 0, 0); font-family: times new roman;" width="425" height="344"&gt;&lt;/object&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt; &lt;/span&gt;&lt;object style="color: rgb(0, 0, 0); font-family: times new roman;" width="425" height="344"&gt;&lt;span style="font-size:100%;"&gt;Reflexão pessoal: &lt;/span&gt;&lt;/object&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Será que podemos afirmar que a mitose corresponde à separação final das unidades moleculares previamente duplicadas? Aqui há tempos, a minha irmã disse que a fase mitótica tinha constituído, durante muitos anos, o ponto de interesse essencial, e que a interfase tinha sido considerada uma fase de repouso. Esta sua observação, não ia de todo ao encontro com o que era leccionado nas aulas, que, ao contário do que antes os cientistas julgavam, a interfase é um período de actividade biossintética na qual ocorre o crescimento e duplicação do DNA e a mitose a fase final e visível de uma mudança a nível molecular.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;object width="425" height="344"&gt;&lt;/object&gt;&lt;/div&gt;&lt;object width="425" height="344"&gt;&lt;param name="movie" value="http://www.youtube.com/v/5hyUaZT01-A&amp;amp;hl=pt-br&amp;amp;fs=1&amp;amp;color1=0x402061&amp;amp;color2=0x9461ca"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/5hyUaZT01-A&amp;amp;hl=pt-br&amp;amp;fs=1&amp;amp;color1=0x402061&amp;amp;color2=0x9461ca" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-199712286881038303?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/199712286881038303/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/ciclo-celular.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/199712286881038303'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/199712286881038303'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/ciclo-celular.html' title='Ciclo Celular'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7241846310774467541</id><published>2009-11-07T08:00:00.001-08:00</published><updated>2009-11-08T09:32:57.001-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Doenças e Distúrbios'/><title type='text'>Albinismo</title><content type='html'>&lt;div&gt;&lt;embed src="http://widget-d1.slide.com/widgets/slideticker.swf" type="application/x-shockwave-flash" quality="high" scale="noscale" salign="l" wmode="transparent" flashvars="cy=ok&amp;amp;il=1&amp;amp;channel=3242591731742552017&amp;amp;site=widget-d1.slide.com" style="width: 426px; height: 320px;" name="flashticker" align="middle"&gt;&lt;/embed&gt;&lt;div style="width: 426px; text-align: left;"&gt;&lt;a href="http://www.slide.com/pivot?cy=ok&amp;amp;ct=1&amp;amp;at=un&amp;amp;id=3242591731742552017&amp;amp;map=1" target="_blank"&gt;&lt;img src="http://widget-d1.slide.com/d1/3242591731742552017/ok_t054_v000_s0un_f00/images/xslide12.gif" ismap="ismap" border="0" /&gt;&lt;/a&gt; &lt;a href="http://www.slide.com/pivot?cy=ok&amp;amp;ct=1&amp;amp;at=un&amp;amp;id=3242591731742552017&amp;amp;map=2" target="_blank"&gt;&lt;img src="http://widget-d1.slide.com/d2/3242591731742552017/ok_t054_v000_s0un_f00/images/xslide2.gif" ismap="ismap" border="0" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7241846310774467541?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7241846310774467541/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/albinismo_07.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7241846310774467541'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7241846310774467541'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/albinismo_07.html' title='Albinismo'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1830144444985503489</id><published>2009-11-07T07:41:00.000-08:00</published><updated>2009-11-14T03:15:17.607-08:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Doenças e Distúrbios'/><title type='text'>Albinismo</title><content type='html'>&lt;div  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-family: times new roman;font-family:times new roman;font-size:100%;"  &gt;O   Albinismo é o conjunto de características que ocorrem por falha genética que impossibilita a produção de pigmentos naturais do corpo.&lt;br /&gt;O principal pigmento da pele é a melanina. A hipopigmentação, uma quantidade anormalmente baixa de pigmento, é geralmente limitada a pequenas áreas de pele. Habitualmente, o albinismo é decorrente de uma doença inflamatória prévia da pele.&lt;br /&gt;Esta doença decorre de um bloqueio incurável da síntese de melanina e é hereditário, estando condicionado a um gene pouco comum que gera certas características físicas e que tem carácter recessivo. Estima-se que uma em cada 17.000 pessoas é albina.&lt;br /&gt;A pele dos albinos, sendo muito clara devido à carência de melanina, com a radiação solar pode vir a desenvolver cancro de pele caso os doentes não estejam devidamente protegidos com protector solar ou roupas adequadas. Pois a exposição solar não produz o efeito bronzeador, mas sim queimaduras de graus variados.&lt;br /&gt;Sabias que?&lt;br /&gt;&lt;/span&gt;&lt;ul style="font-family: times new roman;font-family:times new roman;" &gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Os tecidos internos do corpo de um albino são brancos, até mesmo o cérebro e a espinha dorsal são totalmente brancos num albino, enquanto que nas pessoas comuns são escuros.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Os animais albinos, por norma, não sobrevivem muito tempo no seu meio natural em virtude da sua debilidade em relação aos raios solares e ainda porque a falta de coloração revela-os facilmente, quer para as suas presas, quer para os seus predadores. Esta mutação ocorre principalmente em cavalos, porcos, peixes, tubarões, tigres, coelhos e ratos. Nas plantas, consiste na diminuição ou ausência total do caroteno, substância que dá cor à clorofila.  O vegetal torna-se ornamental graças à beleza que adquire.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;O albinismo pode afectar todos os seres vivos, inclusive insectos, como o mosquito.&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Fontes informativas: http://www.notapositiva.com/trab_estudantes/trab_estudantes/biologia/biologia_trabalhos/albinismo.htm&lt;/span&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal:&lt;/span&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt; O albinismo é um exemplo de mutação. Penso que neste caso, a mutação tem consequências negativas nos seres vivos. Não só estes se tornam mais vulneráveis à exposição solar como se tornam presas mais facilmente. Podemos pegar no exemplo do albinismo e destacar a importância das mutações genéticas. Estas, além de conduzirem ao aparecimento de novas características ao mutante, permitem uma grande diversidade de formas de vida.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1830144444985503489?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1830144444985503489/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/albinismo.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1830144444985503489'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1830144444985503489'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/11/albinismo.html' title='Albinismo'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-9204142927076983850</id><published>2009-10-09T12:19:00.000-07:00</published><updated>2009-10-09T12:28:20.643-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#3</title><content type='html'>&lt;ul&gt;&lt;li style="font-family: times new roman; text-align: justify;"&gt;O DNA e as proteínas são moléculas sequenciadas de monómeros, que são, respectivamente, os nucleótiods e os aminoácidos.&lt;/li&gt;&lt;li style="font-family: times new roman; text-align: justify;"&gt;A sequência de aminoácidos de uma proteína é a expressão da mensagem genética contida na sequência de nucleótidos do DNA.&lt;/li&gt;&lt;li style="font-family: times new roman; text-align: justify;"&gt;Consideram-se duas fases na síntese de proteínas: transcrição da mensagem genética e tradução.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-Nb6ov_PI/AAAAAAAAApo/np26nmAoi60/s1600-h/mRNA.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 326px; height: 172px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-Nb6ov_PI/AAAAAAAAApo/np26nmAoi60/s400/mRNA.jpg" alt="" id="BLOGGER_PHOTO_ID_5390682789721930994" border="0" /&gt;&lt;/a&gt;&lt;/li&gt;&lt;li style="text-align: justify; font-family: times new roman;"&gt;A informação contida no DNA é transferida para o mRNA, o qual transporta a mensagem em código para os ribossomas.&lt;/li&gt;&lt;li style="text-align: justify; font-family: times new roman;"&gt;O RNA de transferência selecciona e conduz os aminoácidos aos locais de síntese - os ribossomas -, onde vão ser ordenados segundo o código expresso no mRNA.&lt;/li&gt;&lt;li style="text-align: justify; font-family: times new roman;"&gt;Vários ribossomas podem deslocar-se ao mesmo tempo pelo mesmo RNA, podendo ser sintetizadas várias cadeias polipeptídicas idênticas.&lt;/li&gt;&lt;li style="text-align: justify; font-family: times new roman;"&gt;O código genético, de carácter universal, funciona como um dicionário que a célula utiliza quando se dá a expressão da informação genética através da síntese de proteínas.&lt;/li&gt;&lt;li style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;A forma, a estrutura de uma célula e o seu metabolismo são determinados pela actividade das proteínas.&lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-9204142927076983850?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/9204142927076983850/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/ideias-chave3.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/9204142927076983850'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/9204142927076983850'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/ideias-chave3.html' title='Ideias-Chave#3'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-Nb6ov_PI/AAAAAAAAApo/np26nmAoi60/s72-c/mRNA.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-6394892061150502456</id><published>2009-10-09T12:01:00.000-07:00</published><updated>2009-10-09T12:18:56.212-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Síntese de Proteínas</title><content type='html'>&lt;span style="font-family:times new roman;"&gt;Consultar na aula 4:&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;http://sanabria.j.googlepages.com/biologiacelular&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-MgL5-zMI/AAAAAAAAApg/otpYsPM9nZQ/s1600-h/Computer-Cartoon.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 189px; height: 156px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-MgL5-zMI/AAAAAAAAApg/otpYsPM9nZQ/s400/Computer-Cartoon.jpg" alt="" id="BLOGGER_PHOTO_ID_5390681763565456578" border="0" /&gt;&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-6394892061150502456?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/6394892061150502456/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/sintese-de-proteinas.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6394892061150502456'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6394892061150502456'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/sintese-de-proteinas.html' title='Síntese de Proteínas'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-MgL5-zMI/AAAAAAAAApg/otpYsPM9nZQ/s72-c/Computer-Cartoon.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-563781765840818622</id><published>2009-10-09T11:34:00.000-07:00</published><updated>2009-10-09T11:41:24.598-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>DNA e RNA - aspectos comparativos</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-Dwz9PXxI/AAAAAAAAApY/dV6WcrbJLAY/s1600-h/dna_rna-full.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 239px; height: 251px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-Dwz9PXxI/AAAAAAAAApY/dV6WcrbJLAY/s400/dna_rna-full.jpg" alt="" id="BLOGGER_PHOTO_ID_5390672153589800722" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-weight: bold;font-family:times new roman;" &gt;DNA&lt;/span&gt; &lt;/span&gt;&lt;ul  style="text-align: justify;font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;A pentose é a desoxirribose&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Possui nucleótidos de timina&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;As bases complementares são: A-T ; C-G&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Estrutura em dupla hélice&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Armazena a informação genética&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-weight: bold;font-family:times new roman;" &gt;RNA&lt;/span&gt; &lt;/span&gt;&lt;ul  style="text-align: justify;font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;A pentose é a ribose&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Possui nucleótidos de uracilo&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;As bases complementares são: A-U ; C-G&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Estrutura simples&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;De acordos com as funções que desempenha, entre outros, o RNA pode ser: mRNA, tRNA e rRNA.&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Fontes informativas: Livro "Preparação para o Exame Nacional 11º, 2010"&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-563781765840818622?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/563781765840818622/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/dna-e-rna-aspectos-comparativos.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/563781765840818622'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/563781765840818622'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/dna-e-rna-aspectos-comparativos.html' title='DNA e RNA - aspectos comparativos'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Ss-Dwz9PXxI/AAAAAAAAApY/dV6WcrbJLAY/s72-c/dna_rna-full.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2712495870146427970</id><published>2009-10-09T11:21:00.000-07:00</published><updated>2009-10-09T11:34:33.014-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Composicão e estrutura do RNA</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Ss-CFTC3lDI/AAAAAAAAApI/Nc4tKe8cRHg/s1600-h/Bio_RNA2.gif"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 250px; height: 200px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Ss-CFTC3lDI/AAAAAAAAApI/Nc4tKe8cRHg/s400/Bio_RNA2.gif" alt="" id="BLOGGER_PHOTO_ID_5390670306509034546" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;O ácido ribonucleico, RNA, é quimicamente muito próximo do DNA, apresentando, contudo, algumas diferenças. É um polimero de nucleótidos, geralmente em cadeia simples, formado por moléculas de dimensões muito inferiores ás dimensões das moléculas de DNA.&lt;/span&gt;  &lt;span style="font-family:times new roman;"&gt;Ao nível da constituição, cada nucleótido do RNA contém: um grupo fosfato, uma ribose e uma base azotada que pode ser adenina, guanina, citosina ou uracilo.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;Fontes informativas: Livro "Terra, Universo de Vida"&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2712495870146427970?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2712495870146427970/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/composicao-e-estrutura-do-rna.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2712495870146427970'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2712495870146427970'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/composicao-e-estrutura-do-rna.html' title='Composicão e estrutura do RNA'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Ss-CFTC3lDI/AAAAAAAAApI/Nc4tKe8cRHg/s72-c/Bio_RNA2.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-3140904281019089867</id><published>2009-10-09T11:20:00.001-07:00</published><updated>2009-10-09T11:21:09.656-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas engraçadas#5</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Ss9_Dt9f9yI/AAAAAAAAApA/RWowtObvtTI/s1600-h/smbc_003.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 206px; height: 400px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Ss9_Dt9f9yI/AAAAAAAAApA/RWowtObvtTI/s400/smbc_003.jpg" alt="" id="BLOGGER_PHOTO_ID_5390666980839651106" border="0" /&gt;&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-3140904281019089867?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/3140904281019089867/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/coisas-engracadas5.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3140904281019089867'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3140904281019089867'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/coisas-engracadas5.html' title='Coisas engraçadas#5'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/Ss9_Dt9f9yI/AAAAAAAAApA/RWowtObvtTI/s72-c/smbc_003.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8931510884845551213</id><published>2009-10-09T11:05:00.000-07:00</published><updated>2009-10-09T11:15:37.952-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#2</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Ss99tf8CEvI/AAAAAAAAAo4/8PfWeuJRijE/s1600-h/joaninha_estudiosa-736614.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 202px; height: 173px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Ss99tf8CEvI/AAAAAAAAAo4/8PfWeuJRijE/s400/joaninha_estudiosa-736614.jpg" alt="" id="BLOGGER_PHOTO_ID_5390665499606651634" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;ul style="text-align: justify; font-family: times new roman;"&gt;&lt;li&gt;Na replicação semiconservativa da molécula de DNA há uma réplica integral de cada uma das cadeias constituintes da molécula original, através da polimerização ordenada de nucleótidos, segundo a regra da complementaridade de bases.&lt;/li&gt;&lt;li&gt;Cada uma das moléculas formadas é idêntica à molécula original, tendo uma cadeia desta molécula original e uma cadeia nova.&lt;br /&gt;&lt;/li&gt;&lt;li&gt;A hipótese da replicação semiconservativa foi apoiada pela experiência de Meselson e Stahl.&lt;/li&gt;&lt;li&gt;O modelo de replicação semiconservativa permite explicar a transmissão do programa genético e a relativa constância da composição do DNA no decurso das divisões celulares.&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8931510884845551213?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8931510884845551213/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/ideias-chave2.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8931510884845551213'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8931510884845551213'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/ideias-chave2.html' title='Ideias-Chave#2'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Ss99tf8CEvI/AAAAAAAAAo4/8PfWeuJRijE/s72-c/joaninha_estudiosa-736614.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1739749170629695056</id><published>2009-10-09T10:48:00.000-07:00</published><updated>2009-10-09T11:08:42.884-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Como ocorre a replicação do DNA?</title><content type='html'>&lt;object width="425" height="344"&gt;&lt;param name="movie" value="http://www.youtube.com/v/hfZ8o9D1tus&amp;amp;hl=en&amp;amp;fs=1&amp;amp;color1=0x2b405b&amp;amp;color2=0x6b8ab6"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/hfZ8o9D1tus&amp;amp;hl=en&amp;amp;fs=1&amp;amp;color1=0x2b405b&amp;amp;color2=0x6b8ab6" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;br /&gt;&lt;ol style="text-align: justify;"&gt;&lt;li style="font-family: times new roman;"&gt;As duas cadeias de dupla hélice, na presença de enzimas específicas, DNA-polimerase, separam-se por ruptura das pontes de hidrogénio.&lt;/li&gt;&lt;li style="font-family: times new roman; text-align: justify;"&gt;Cada uma das cadeias serve de molde à formação de uma cadeia complementar, sendo utilizados nucleótidos que existem livres na célula.&lt;/li&gt;&lt;li style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;Formam-se, simultaneamente, duas cadeias novas de desoxirribonucleótidos de acordo com a regra de complementaridade de bases. Estas novas cadeias são, pois, complementares das duas cadeias originais, sendo cada uma antiparalela em relação à que lhe serviu de molde.&lt;/span&gt;&lt;/li&gt;&lt;/ol&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal: A molécula de DNA tem a capacidade de se autoduplicar, isto é, copiar a sua própria informação garantindo a conservação do seu património genético ao longo das gerações.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;&lt;br /&gt;Fontes informativas: Livro "Terra, Universo de Vida"&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1739749170629695056?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1739749170629695056/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/replicacao-do-dna.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1739749170629695056'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1739749170629695056'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/replicacao-do-dna.html' title='Como ocorre a replicação do DNA?'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8371892570922072217</id><published>2009-10-09T10:27:00.000-07:00</published><updated>2009-10-09T11:08:04.023-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Notícia#9</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Ss91nLwTmCI/AAAAAAAAAow/TBVgkM8dpZ4/s1600-h/dn17003-2_500.jpg"&gt;&lt;img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 200px; height: 150px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Ss91nLwTmCI/AAAAAAAAAow/TBVgkM8dpZ4/s400/dn17003-2_500.jpg" alt="" id="BLOGGER_PHOTO_ID_5390656595016521762" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-weight: bold;font-family:times new roman;font-size:100%;"  &gt;Ruppy, o cão que brilha no escuro&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;div  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;O pequeno &lt;/span&gt;&lt;em style="font-family: times new roman;"&gt;Ruppy&lt;/em&gt;&lt;span style="font-family:times new roman;"&gt;, é o primeiro cão transgênico a possuir uma proteína fluorescente vermelha que brilha quando exposto a luz ultravioleta, foi desenvolvido pela equipe de Byeong-Chun Lee da Seoul National University da Coréia do Sul. Eles clonaram as células do fibroblasto canino (que são células que constituem o tecido nervoso, sintetizam a matriz extracelular, o colágeno e da a estrutura as celulas no tecido animal) que foram "programadas" para expressar uma proteína encontrada em anêmonas marinhas. A técnica utilizada foi retirar o núcleo de um oócito (o gameta feminino) normal, e "trocar" pelo núcleo com a RFP (red fluorescent protein) a ser expressa, utilizando como vetor de "entrega" da proteína um retrovírus.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Popularmente, este tipo de pesquisa tem um péssimo recebimento do público e até mesmo de alguns cientistas, que são cépticos ao uso dessa técnica devido a grande inviabilidade de óvulos no processo.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Mas é um trabalho importante sim, pois o sistema dos cães é mais próximo ao de um humano, em relação aos camundongos (que são os modelos de teste mais utilizados) e futuramente poderá auxiliar no entendimento de doenças compartilhadas pelas duas espécies, como um marcador molecular possível de ser visualizado e monitorizado.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal: Com esta notícia é evidente que o Homem tem um grande poder sobre a natureza e consegue manejá-la, por vezes, como deseja. A tecnologia possibilitou, que campos que nunca se pensaram sequer puder ser mais aprofundados, tornarem-se amplamente extensos. O pobre do cão é sem dúvida único em toda a Terra. A alteração do material genético do animal permitiu que este consegui-se brilhar sobre luzes ultravioletas. Tal como a alteração desta célula o Homem é capaz de modificar muitas mais coisas, como por exemplo, a cor de uma flor. Esperemos que consiga desenvolver formas de combater doenças genéticas fatais.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Fontes informativas: http://oamigodewigner.blogspot.com/&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8371892570922072217?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8371892570922072217/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/noticia9.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8371892570922072217'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8371892570922072217'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/10/noticia9.html' title='Notícia#9'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Ss91nLwTmCI/AAAAAAAAAow/TBVgkM8dpZ4/s72-c/dn17003-2_500.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5630864508273067506</id><published>2009-09-19T07:07:00.000-07:00</published><updated>2009-10-09T11:07:29.637-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Ideias-Chave'/><title type='text'>Ideias-Chave#1</title><content type='html'>&lt;ul  style="text-align: justify;font-family:times new roman;"&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;O DNA é o suporte universal da informação genética.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Uma molécula de DNA é constituída por uma dupla hélice formada por duas cadeias. Cada cadeia tem uma sequência de nucleótidos de quatro tipos diferentes designados pelas letras A, T, C e G.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;Devido à complementaridade de bases, estabelecem-se ligações de hidrogénio entre adenina e timina  e entre guanina e citosina.&lt;/span&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;font-family:times new roman;" &gt;&lt;span style="font-size:100%;"&gt;O número de nucleótidos e a sua ordem variam nas diferentes moléculas de DNA.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family: times new roman;font-family:times new roman;font-size:100%;"  &gt;A universalidade e a variabilidade são características da molécula de DNA.&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SrTpkLOiiAI/AAAAAAAAAoY/WLfEoIhjiU4/s1600-h/boneco.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 178px; height: 227px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SrTpkLOiiAI/AAAAAAAAAoY/WLfEoIhjiU4/s400/boneco.jpg" alt="" id="BLOGGER_PHOTO_ID_5383184262312921090" border="0" /&gt;&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5630864508273067506?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5630864508273067506/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/ideias-chave.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5630864508273067506'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5630864508273067506'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/ideias-chave.html' title='Ideias-Chave#1'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SrTpkLOiiAI/AAAAAAAAAoY/WLfEoIhjiU4/s72-c/boneco.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5015921232833706494</id><published>2009-09-19T06:38:00.000-07:00</published><updated>2009-09-19T06:56:04.700-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Natureza química do DNA</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SrTiue8sMJI/AAAAAAAAAoA/fPt5Ihfu0iM/s1600-h/Digitalizar0011.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 240px; height: 183px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SrTiue8sMJI/AAAAAAAAAoA/fPt5Ihfu0iM/s400/Digitalizar0011.jpg" alt="" id="BLOGGER_PHOTO_ID_5383176742824063122" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt;No ácido desoxirribonucleico podem identificar-se três constituintes fundamentais: &lt;/div&gt;&lt;ul  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-weight: bold;"&gt;Ácido fosfórico : &lt;/span&gt;confere à molécula características ácidas.&lt;/li&gt;&lt;li&gt;&lt;span style="font-weight: bold;"&gt;Pentose :&lt;/span&gt; a desoxirribose tem este nome porque possui menos um átomo de oxigénio do que a ribose.&lt;/li&gt;&lt;li&gt;&lt;span style="font-weight: bold;"&gt;&lt;span style="font-weight: bold;"&gt;Bases azotadas: &lt;/span&gt;&lt;/span&gt;podem ser bases de anel simples (bases pirimídicas) como a timina e a citosina ou bases de anel duplo (bases púricas) como a adenina e a guanina.&lt;/li&gt;&lt;/ul&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;Cada um dos nucleótidos que entra na molécula de DNA tem na sua constituição estes três componentes. No DNA consideram-se quatro categorias de nucleótidos que são designados pela base azotada que entra na sua constituição. Assim, podem considerar-se: nucleótido adenina, guanina, citosina e timina. &lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5015921232833706494?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5015921232833706494/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/natureza-quimica-do-dna.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5015921232833706494'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5015921232833706494'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/natureza-quimica-do-dna.html' title='Natureza química do DNA'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SrTiue8sMJI/AAAAAAAAAoA/fPt5Ihfu0iM/s72-c/Digitalizar0011.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5652389250195270055</id><published>2009-09-19T05:52:00.000-07:00</published><updated>2009-09-19T06:58:59.025-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Estrutura do DNA</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;div style="text-align: right;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SrTXwe-zXHI/AAAAAAAAAn4/x8zQsWoDdSE/s1600-h/acidodesoxirribonucleico.jpg"&gt;&lt;img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 266px; height: 266px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SrTXwe-zXHI/AAAAAAAAAn4/x8zQsWoDdSE/s400/acidodesoxirribonucleico.jpg" alt="" id="BLOGGER_PHOTO_ID_5383164682564754546" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;span style="font-family:times new roman;"&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;ADN desenrolado : o DNA é estruturado com uma escada em espiral (dupla hélice). &lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Pares de base: pares de bases formam os degraus da escada. A ordem segundo a qual ocorrem os pares de bases fornece as instruções ou código genético.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Triplete : os trios de base fornecem o código para os aminoácidos, os quais formam as proteínas.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Coluna vertebral açúcar fosfato :cada base está ligada a uma molécula de açúcar chamada de desoxirribose. Estas moléculas ligam-se para formar os suportes de DNA.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Os nucleótidos podem unir-se por reacções de condensação, formando cadeias polinucleotídicas.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Quando uma cadeia polinucleotídica está em formação, vão-se ligando nucleótidos sequencialmente. Cada novo nucleótido  liga-se pelo grupo fosfato ao carbono 3' da pentose do último nucleótido da cadeia, repetindo-se o processo na direcção 5' para 3'. Assim, ao último nucleótido que tem o carbono 3' livre, pode ligar-se um novo nucleótido pelo grupo fosfato.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5652389250195270055?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5652389250195270055/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/adn-desenrolado-o-dna-e-estruturado-com.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5652389250195270055'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5652389250195270055'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/adn-desenrolado-o-dna-e-estruturado-com.html' title='Estrutura do DNA'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SrTXwe-zXHI/AAAAAAAAAn4/x8zQsWoDdSE/s72-c/acidodesoxirribonucleico.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-6503783856366059007</id><published>2009-09-19T05:35:00.000-07:00</published><updated>2009-09-19T06:58:34.684-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Marcha das ideias</title><content type='html'>&lt;ul style="text-align: justify;"&gt;&lt;li style="font-family: times new roman;"&gt;1900 a 1910 : Criação da genética enquanto ciência.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1910 : O biologista americano T. H. Morgan demonstrou que os genes estão localizados nos cromossomas.&lt;br /&gt;&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1928 a 1944 : Numerosos trabalhos conduzem à ideia de que o DNA é o suporte da informação genética.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt; 1953 : F. Crick e J. Watson propõem a estrutura em dupla hélice para o DNA.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1955 : é identificado o número de cromossomas da espécie humana (46).&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1981 : Primeira transgénese animal. Um rato nasce com um gene que lhe é estranho.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1986 : Os americanos lançam o Programa Genoma Humano.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1990 : Primeiras tentativas de terapia genética ao nível de uma doença que afecta os glóbulos brancos.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1995 : Primeira sequenciação completa do DNA de organismos simples (bactérias).&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;1999 : Completada a sequenciação do cromossoma 22 humano.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;2000 : Feita a sequenciação completa do cromossoma 21.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;2001 : Publicada a primeira sequenciação completa do genoma humano.&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Futuro : Talvez sejam necessárias décadas de investigação e análise antes que a informação contida no genoma humano seja compreendida em detalhe. &lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-6503783856366059007?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/6503783856366059007/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/marcha-das-ideias.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6503783856366059007'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6503783856366059007'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/marcha-das-ideias.html' title='Marcha das ideias'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5366464482923894504</id><published>2009-09-19T04:53:00.000-07:00</published><updated>2009-10-09T10:26:37.454-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>DNA: o que é?</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SrTMJptRyCI/AAAAAAAAAnw/ES3FpXV4hTk/s1600-h/11extrmoladn01.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 202px; height: 297px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SrTMJptRyCI/AAAAAAAAAnw/ES3FpXV4hTk/s400/11extrmoladn01.jpg" alt="" id="BLOGGER_PHOTO_ID_5383151920801237026" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;As células são as unidades estruturais mais pequenas do corpo e estão agrupadas em diversos tipos de tecido. Independentemente das suas funções, todos os tipos de células têm uma estrutura interna idêntica, e a maior parte delas um núcleo com uma substância chamada DNA, que alberga a informação genética passada de pais para filhos. O DNA controla a singularidade de cada pessoa, mas também o modo como cada célula individual funciona.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;O termo DNA é utilizado para definir o ácido desoxiribonucleico, uma substância química que existe em todos os organismos vivos (e pode sobreviver, durante milhares de anos, após a morte). O DNA tem toda a informação de que uma célula necessita para produzir as proteínas necessárias ao funcionamento. As moléculas de DNA são constituídas por uma série de pequenas unidades formadas por pares de bases químicas. Estas bases são quatro: Adenina (A), Tiamina (T), Guanina (G) e Citosina (C). &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;Elas ligam-se sempre numa mesma combinação: a adenina com a tiamina e a guanina com a citosina. A ordem pelas quais estas bases ocorrem ao longo de todo o comprimento da molécula fornece o código genético. &lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal: Nunca me tinha apercebido da importância do DNA nas nossas vidas até agora. Este , não só é o suporte básico da vida mas como também é o que nos confere maior parte das nossas características. Como foi citado variadas vezes na aula, podemos olhar para o DNA como uma complexa rede que forma um dicionário de quatro letras, apenas quatro (A, D, T e G). Com estas quatro letrinhas do nosso alfabeto somos capazes de formar mil e uma coisas. O DNA é uma coisa extraordinária. Apesar de ser minúsculo, a sua importância é vital para todos os seres vivos.&lt;br /&gt;&lt;br /&gt;Fontes Informativas: Livro "Enciclopédia Completa"&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5366464482923894504?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5366464482923894504/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/dna-o-que-e.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5366464482923894504'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5366464482923894504'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/dna-o-que-e.html' title='DNA: o que é?'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/SrTMJptRyCI/AAAAAAAAAnw/ES3FpXV4hTk/s72-c/11extrmoladn01.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7774742066701936567</id><published>2009-09-19T02:23:00.000-07:00</published><updated>2009-10-09T10:19:15.554-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Estrutura e função das células</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Todas as células são constituídas &lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;por uma  membrana exterior que envolve o seu conteúdo líquido, o citoplasma. Dentro deste existem estruturas especializadas, os organitos, que desempenham as tarefas próprias da célula. No centro da célula existe o núcleo, que contém material genético (DNA) na forma de cromossomas e actua como centro de controlo da célula. Muitas células dispõem de um conjunto completo de instruções genéticas, mas, no interior de cada célula apenas são activadas as necessárias para as suas funções. Por exemplo, as instruções para produzir insulina (uma hormona) estão presentes no DNA de cada célula, mas apenas são utilizadas nas células do pâncreas. &lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SrSn5uhImfI/AAAAAAAAAng/wXqn7171iHw/s1600-h/animal_human_cell_inside.jpg"&gt;&lt;img style="cursor: pointer; width: 317px; height: 179px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SrSn5uhImfI/AAAAAAAAAng/wXqn7171iHw/s400/animal_human_cell_inside.jpg" alt="" id="BLOGGER_PHOTO_ID_5383112064795974130" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;Embora muitas células possuam os mesmos tipos de organitos, elas têm diferentes formas e tamanhos e diferentes tempos de vida dependendo das suas funções. As células gordas são globulares e contêm uma gotícula de gordura, enquanto as nervosas têm longos e ramificados eixos axónicos para transmitir mensagens. Algumas células podem até mudar de forma. Os glóbulos brancos, por exemplo, podem tornar-se longos e finos para se esgueirarem pelos capilares ou formar "braços" para prender e fagocitar os microorganismos.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Reflexão pessoal: As células vivas classificam-se em procarióticas e eucarióticas. As células eucarióticas são maiores e mais complexas, e possuem mecanismos muito mais elaborados de regulação genética. O DNA das células eucarióticas encontra-se confinado num local próprio, delimitado por membranas, o núcleo. No citoplasma existem também vários compartimentos delimitados por membranas e especializados em funções específicas.&lt;/span&gt;&lt;span style="color: rgb(0, 0, 0);"&gt; &lt;/span&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;font-size:100%;"  &gt;Com isto, concluímos que as células representam a unidade estrutural e funcional de todos os seres vivos. &lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Fontes informativas : Livro de Bioquímica&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7774742066701936567?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7774742066701936567/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/estrutura-e-funcao-das-celulas.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7774742066701936567'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7774742066701936567'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/estrutura-e-funcao-das-celulas.html' title='Estrutura e função das células'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SrSn5uhImfI/AAAAAAAAAng/wXqn7171iHw/s72-c/animal_human_cell_inside.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-4167530577390998105</id><published>2009-09-19T02:10:00.000-07:00</published><updated>2009-09-19T07:01:05.753-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Crescimento e Renovação Celular'/><title type='text'>Objectivos - Crescimento e Renovação Celular</title><content type='html'>&lt;ul style="text-align: justify;"&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Compreender que o DNA é, em regra, o suporte da informação genética de um indivíduo.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Identificar a localização e natureza química da informação genética a nível celular.&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SrSibQXCaMI/AAAAAAAAAnY/umgxpwpz9-E/s1600-h/meeting3.png"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 180px; height: 145px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SrSibQXCaMI/AAAAAAAAAnY/umgxpwpz9-E/s400/meeting3.png" alt="" id="BLOGGER_PHOTO_ID_5383106043746347202" border="0" /&gt;&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Relacionar a importância do mecanismo da replicação semiconservativa, com a constância  do património genético próprio de cada espécie.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Analisar as funções dos intervenientes na biossíntese de uma cadeia polipeptídica.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt; Interpretar a polimerização sequencial dos aminoácidos, como a expressão da informação genética contida no DNA.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Compreender que as proteínas condicionam todo o metabolismo celular.&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Analisar problemas de ordem social e ética envolvidos na manipulação da informação genética.&lt;br /&gt;&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-4167530577390998105?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/4167530577390998105/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/objectivos-crescimento-e-renovacao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4167530577390998105'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4167530577390998105'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/objectivos-crescimento-e-renovacao.html' title='Objectivos - Crescimento e Renovação Celular'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/SrSibQXCaMI/AAAAAAAAAnY/umgxpwpz9-E/s72-c/meeting3.png' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-4123440289335925948</id><published>2009-09-19T01:47:00.000-07:00</published><updated>2009-10-09T11:17:36.837-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Apresentação'/><title type='text'>Ano lectivo 2009/2010</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Durante este ano lectivo, no meu portefólio online, podem encontrar todos os temas que vamos abordar na sala de aula. Vou colocar notícias, resumos, curiosidades, informação e documentação sobre a matéria leccionada. Podem também levantar questões, investigar construindo os vossos próprios dados, complementar a construcção de um conhecimento novo e sintetizar ideias. Com isto, espero que a vossa avaliação seja melhor. &lt;/span&gt; &lt;span style=";font-family:times new roman;font-size:100%;"  &gt;&lt;br /&gt;O 11ºano de Biologia vai aprofundar temas como o Crescimento e Renovação Celular, a Reprodução nos seres vivos, a Evolução Biológica e a Sistemática de Seres Vivos.&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt; Quanto á Geologia, vamos investigar a Ocupação antrópica e os problemas de ordenamento, Processos e materiais geológicos importantes em ambientes terrestres e, para finalizar o ano lectivo, Recursos Geológicos - exploração sustentada . &lt;/span&gt; &lt;span style="font-family:times new roman;"&gt;&lt;br /&gt;Do meu ponto de vista, este ano tem muito para nos dar estudantes. Espero que seja bastante atractivo e interessante para vocês também.&lt;/span&gt;  &lt;span style="font-family:times new roman;"&gt;&lt;br /&gt;Se acharem que o meu blogue deve ser melhorado, em qualquer aspecto, por favor façam propostas de trabalho, elaborem uma visão global dos assuntos e comentem. &lt;/span&gt; &lt;span style="font-family:times new roman;"&gt;&lt;br /&gt;Espero que apreciem de uma forma positiva o meu trabalho.&lt;br /&gt;&lt;br /&gt;&lt;/span&gt;&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SrSfj0ZnSJI/AAAAAAAAAnQ/WE6Q7PiPkDE/s1600-h/FD999.jpg"&gt;&lt;img style="cursor: pointer; width: 193px; height: 193px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SrSfj0ZnSJI/AAAAAAAAAnQ/WE6Q7PiPkDE/s400/FD999.jpg" alt="" id="BLOGGER_PHOTO_ID_5383102892324898962" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-4123440289335925948?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/4123440289335925948/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/ano-lectivo-20092010.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4123440289335925948'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4123440289335925948'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/09/ano-lectivo-20092010.html' title='Ano lectivo 2009/2010'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SrSfj0ZnSJI/AAAAAAAAAnQ/WE6Q7PiPkDE/s72-c/FD999.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2904136396075168847</id><published>2009-06-09T11:15:00.000-07:00</published><updated>2009-09-19T01:47:14.341-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Notícia#8</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Si6nRVQwZTI/AAAAAAAAAnA/p1DvgCT52E8/s1600-h/1227786-0879-atm17.jpg"&gt;&lt;img style="cursor: pointer; width: 400px; height: 300px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Si6nRVQwZTI/AAAAAAAAAnA/p1DvgCT52E8/s400/1227786-0879-atm17.jpg" alt="" id="BLOGGER_PHOTO_ID_5345393723942397234" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;span style="font-style: italic;font-family:times new roman;" &gt;&lt;span style="font-weight: bold;"&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="font-weight: bold; font-style: italic;font-family:times new roman;font-size:130%;"  &gt;Cientistas querem construir cúpula sobre a cidade de Houston&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;Uma equipe de engenheiros propôs a construção de uma gigante bolha para proteger a cidade de Houston, no Texas, contra os danos causados pelo aquecimento global. A cúpula poderia proteger a quarta cidade mais populosa dos Estados Unidos de tempestades severas, incluindo furacões e tornados.&lt;/span&gt;&lt;p  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;Grandes tempestades custam cerca de 10 bilhões de dólares para a cidade. Mas não são só os furacões que castigam Houston, o calor e a humidade também causam danos. O ar condicionado, única solução em alguns dias, tem um custo muito elevado. Houston usa anualmente mais electricidade do que a cidade de Los Angeles.&lt;/span&gt;&lt;/p&gt;&lt;p  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt; Por esses motivos o grupo de cientistas acredita que a única maneira de salvar a cidade é construir a enorme cúpula sobre ela. A cobertura se estenderia em uma área de 21 milhões de metros quadrados e seria a maior estrutura em todo o mundo.&lt;/span&gt;&lt;/p&gt;&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Fonte: http://noticias.terra.com.br/ciencia/interna/0,,OI3814407-EI238,00-Cientistas+querem+construir+cupula+sobre+cidade+de+Houston.html&lt;/span&gt;&lt;br /&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2904136396075168847?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2904136396075168847/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/noticia6.html#comment-form' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2904136396075168847'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2904136396075168847'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/noticia6.html' title='Notícia#8'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Si6nRVQwZTI/AAAAAAAAAnA/p1DvgCT52E8/s72-c/1227786-0879-atm17.jpg' height='72' width='72'/><thr:total>1</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-6207337737974412169</id><published>2009-06-07T04:08:00.000-07:00</published><updated>2009-06-07T04:50:55.702-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Treine o cérebro</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SiuphqmFlmI/AAAAAAAAAm4/gwZvLcRMfeo/s1600-h/testes.gif"&gt;&lt;img style="cursor: pointer; width: 198px; height: 233px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SiuphqmFlmI/AAAAAAAAAm4/gwZvLcRMfeo/s400/testes.gif" alt="" id="BLOGGER_PHOTO_ID_5344551778640041570" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;Um lema para o envelhecimento controlado do cérebro poderá ser "use-o para não o perder". Um octogenário que tenha feito palavras cruzadas ao longo da vida será capaz de resolver um novo problema de cruzadismo com a rapidez de uma pessoa com 20 anos. Cada um dos exercícios para o cérebro aqui descritos visa testar diferentes aspectos da função cognitiva, e, se os praticar algumas vezes por semana, não tardará a notar os progressos na agilidade mental.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;ol style="text-align: justify;"&gt;&lt;li style="font-family: times new roman;"&gt;Atribua a cada letra do alfabeto um valor numérico de 1 a 26 (A=1, B=2, ...). Tente pensar em palavras cuja soma dos valores das letras que as compõem perfaça 40. Da próxima vez, use outras equivalências.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Vire um livro ou um jornal ao contrário e leia uma página de baixo para cima. Note como necessita de fazer muito mais esforço para que as frases façam sentido.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Mergulhe na memória e procure lembrar-se do nome dos seus professores e colegas de turma ao longo do secundário. Tente recordar determinados pormenores, como, por exemplo, a roupa que usavam ou os seus traços mais distintos. Noutra ocasião, pense num antigo local de trabalho ou numa rua onde tenha vivido. Ficará certamente surpreendido com aquilo que guarda na memória.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Em 2 minutos, escreva o maior número possível de palavras (nomes de cidades, rios, etc) iniciadas pela mesma letra.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Concentre-se no ponteiro dos segundos de um relógio durante um minuto. Em seguida, feche os olhos e tente medir mentalmente um minuto.&lt;/li&gt;&lt;li style="font-family: times new roman;"&gt;Rode o rato do computador de modo que, movendo a bolinha para a esquerda e para a direita, consiga mover o cursor para a direita e para baixo.&lt;/li&gt;&lt;li&gt;&lt;span style="font-family:times new roman;"&gt;Pegue na conta do telefone e tente lembrar-se dos nomes das pessoas para quem fez cada chamada.&lt;/span&gt;&lt;br /&gt;&lt;/li&gt;&lt;/ol&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-6207337737974412169?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/6207337737974412169/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/treine-o-cerbro.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6207337737974412169'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/6207337737974412169'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/treine-o-cerbro.html' title='Treine o cérebro'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SiuphqmFlmI/AAAAAAAAAm4/gwZvLcRMfeo/s72-c/testes.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5815538852008813367</id><published>2009-06-07T03:42:00.000-07:00</published><updated>2009-06-07T04:07:58.537-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Doenças e Distúrbios'/><title type='text'>Doença de Parkinson</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SiuedAgyKUI/AAAAAAAAAmw/1llWOGQMjlo/s1600-h/Sir_William_Richard_Gowers_Parkinson_Disease_sketch_1886.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 193px; height: 233px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SiuedAgyKUI/AAAAAAAAAmw/1llWOGQMjlo/s400/Sir_William_Richard_Gowers_Parkinson_Disease_sketch_1886.jpg" alt="" id="BLOGGER_PHOTO_ID_5344539603996125506" border="0" /&gt;&lt;/a&gt;&lt;span style="font-weight: bold; font-style: italic;font-family:times new roman;" &gt;Doença de Parkinson&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt; é um distúrbio progressivo do sistema nervoso com sintomas bem definidos - uma combinação de tremor, rigidez e lentificação dos movimentos. As pessoas com mais de 50 anos são o grupo mais afectado por esta doença, que atinge anualmente cerca de 20 em cada 100 000 pessoas.&lt;/span&gt;&lt;br /&gt;&lt;div  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-weight: bold;font-family:times new roman;" &gt;Causas -&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt; Os gânglios basais, parte do cérebro responsável pela produção de movimentos musculares regulares, degeneram nas pessoas que sofrem desta doença. Um mediador químico chamado dopamina, produzido por células dos gânglios basais, coordena o movimento com a ajuda da acetilcolina; estes dois neurotransmissores têm acções opostas, mas equilibradas. Como a dopamina é deficiente nas pessoas que sofrem da doença de Parkinson, ocorre um desequilibrio quimico no cérebro, com predominância para o efeito da acetilcolina.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-weight: bold;font-family:times new roman;" &gt;Sintomas - &lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;Durante as primeiras fases da doença de Parkinson, os sintomas afectam geralmente um lado do corpo. Um tremor numa mão, lentificação dos movimentos e rigidez muscular podem ser os primeiros sinais. À medida que a doença progride, ambos os lados do corpo ficam afectados. Dificuldade na articulação das palavras.  Muitas vezes o rosto perde expressão. &lt;/span&gt;&lt;br /&gt;&lt;span style="font-weight: bold;font-family:times new roman;" &gt;Diagnóstico -&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt; O médico pesquisará os sinais clássicos da doença de Parkinson. Será feita a história cuidadosa de outras doenças e colhidos pormenores sobre os medicamentos que o doente tomou.&lt;br /&gt;&lt;/span&gt;&lt;span style="font-weight: bold;font-family:times new roman;" &gt;Tratamento - &lt;/span&gt;&lt;span style="font-family:times new roman;"&gt;a principal terapêutica é medicamentosa. Nos últimos anos, pessoas com a doença de Parkinson receberam um implante similar ao estimulador cardíaco, susceptível de transmitir ao cérebro impulsos eléctricos que controlam a rigidez e o tremor.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-weight: bold;font-family:times new roman;" &gt;Prognóstico -&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt; a longo prazo os sintomas tornam-se mais difíceis de controlar e isto pode significar que o paciente precisará de mais ajuda nas deslocações e execução de tarefas básicas.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Fontes informativas: &lt;/span&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Cérebro e Sistema Nervoso Central, Selecções do Reader's Digest&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5815538852008813367?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5815538852008813367/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/doenca-de-parkinson.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5815538852008813367'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5815538852008813367'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/doenca-de-parkinson.html' title='Doença de Parkinson'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SiuedAgyKUI/AAAAAAAAAmw/1llWOGQMjlo/s72-c/Sir_William_Richard_Gowers_Parkinson_Disease_sketch_1886.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7230000184565482009</id><published>2009-06-07T03:04:00.000-07:00</published><updated>2009-06-07T03:34:48.868-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Regulação nos seres vivos'/><title type='text'>Formação definitiva do cérebro</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SiuVBoYx4eI/AAAAAAAAAmo/eu-xMMMuPX8/s1600-h/child03.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 254px; height: 207px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SiuVBoYx4eI/AAAAAAAAAmo/eu-xMMMuPX8/s400/child03.jpg" alt="" id="BLOGGER_PHOTO_ID_5344529238058983906" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;O sistema nervoso central é um dos primeiros sistemas a construir-se. Na terceira semana, são já visíveis as células que formam a base do cérebro e da medula espinal, o tubo neural.&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt;Seis meses antes do nascimento no interior da cabeça continua um intenso crescimento celular, com olhos rudimentares bem visíveis.&lt;br /&gt;Aos 5 anos, o cérebro da criança atingiu já 95% do seu peso na idade adulta.&lt;br /&gt;Aos 7 anos dá-se a maravilhosa mielinização. A camada isolante de mielina em volta dos nervos acelera a transmissão e a eficácia dos sinais nervosos.&lt;br /&gt;Durante a adolescência ocorrem as turbulências cerebrais. Exames ao encéfalo revelam que, ao longo da puberdade, certas partes do cérebro se expandem e depois diminuem de volume.&lt;br /&gt;Já na idade adulta, à parte doença ou lesão, o cérebro mantém praticamente o mesmo aspecto ao longo da idade adulta, apesar da perda continua de células.&lt;br /&gt;A partir de certa idade (terceira idade), é essencial vigiar o seu coração para reduzir o risco de acidente vascular cerebral devido ao bloqueio de um vaso sanguíneo vital do cérebro.&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;&lt;a style="font-family: times new roman;" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SiuUatoy2HI/AAAAAAAAAmY/_XWsSitlR9E/s1600-h/adults.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 288px; height: 198px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SiuUatoy2HI/AAAAAAAAAmY/_XWsSitlR9E/s400/adults.jpg" alt="" id="BLOGGER_PHOTO_ID_5344528569453434994" border="0" /&gt;&lt;/a&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Reflexão pessoal: Apesar desta extraordinária complexidade que obedece a um padrão específico, cada pessoa possui um cérebro exclusivo, quer isto dizer, "um cérebro único para uma pessoa única". Na minha opinião, a história de como é formada esta "tela" é um dos mais surpreendentes episódios do ciclo vital do Homem. Como já vimos anteriormente, começa com algumas células num minúsculo embrião e transforma-se em biliões de biliões de neurónios, que formam o cérebro. Sabiam que na vigésima semana de gestação de um bebe, quando tem cerca de 19cm de comprimento, o feto já reage a ruídos do mundo exterior? E que no momento que a criança nasce é quando esta possui a maior quantidade de células nervosas que alguma vez terá? No auge do crescimento cerebral fetal, são criadas 250 000 novos neurónios em cada minuto, quer isto dizer, 15 milhões por hora. O nosso corpo é algo muito complexo, mas extremamente brilhante. &lt;/span&gt;&lt;br /&gt;&lt;br /&gt;Fontes informativas: Cérebro e Sistema Nervoso Central, Selecções do Reader's Digest&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7230000184565482009?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7230000184565482009/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/formacao-do-cerebro.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7230000184565482009'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7230000184565482009'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/formacao-do-cerebro.html' title='Formação definitiva do cérebro'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SiuVBoYx4eI/AAAAAAAAAmo/eu-xMMMuPX8/s72-c/child03.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-329587056143571967</id><published>2009-06-07T02:25:00.001-07:00</published><updated>2009-06-07T03:03:53.393-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Regulação nos seres vivos'/><title type='text'>Sistema Nervoso</title><content type='html'>&lt;object width="340" height="285"&gt;&lt;param name="movie" value="http://www.youtube.com/v/i-NgGKSNiNw&amp;hl=pt-br&amp;fs=1&amp;color1=0x2b405b&amp;color2=0x6b8ab6&amp;border=1"&gt;&lt;/param&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;/param&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;/param&gt;&lt;embed src="http://www.youtube.com/v/i-NgGKSNiNw&amp;hl=pt-br&amp;fs=1&amp;color1=0x2b405b&amp;color2=0x6b8ab6&amp;border=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="340" height="285"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-329587056143571967?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/329587056143571967/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/jj.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/329587056143571967'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/329587056143571967'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/jj.html' title='Sistema Nervoso'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-4447889283757381107</id><published>2009-06-07T02:08:00.001-07:00</published><updated>2009-06-07T02:18:52.290-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Regulação nos seres vivos'/><title type='text'>Estrutura de um neurónio</title><content type='html'>&lt;a style="font-family: times new roman;" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SiuDsxgOAEI/AAAAAAAAAmI/P0Uz6fMozlM/s1600-h/image30.gif"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 189px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SiuDsxgOAEI/AAAAAAAAAmI/P0Uz6fMozlM/s400/image30.gif" alt="" id="BLOGGER_PHOTO_ID_5344510188031180866" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt;A unidade do sistema nervoso é a célula nervosa - o neurónio. Estas células apresentam um corpo celular e dois tipos de prolongamento citoplasmático - dendrites e axónios.&lt;br /&gt;&lt;/div&gt;&lt;ul style="text-align: justify; font-family: times new roman;"&gt;&lt;li&gt;Corpo celular - zona central, com núcleo e citoplasma, processa informação e emite mensagens.&lt;/li&gt;&lt;li&gt;Dendrites - prolongamentos citoplasmáticos ramificados, recebem e conduzem ao corpo celular estímulos nervosos com origem no ambiente ou noutros neurónios.&lt;/li&gt;&lt;li&gt;Axónio - prolongamento citoplasmático fino e longo, transmite as respostas nervosas provenientes do corpo celular a outros neurónios ou a um órgão efector ( músculos, glândulas). Este pode ser recoberto por bainha de mielina.&lt;/li&gt;&lt;/ul&gt;&lt;span style="font-family: times new roman;"&gt;O conjunto formado pelo axónio e a bainha de mielina, caso exista, designa-se por fibra nervosa. Estas agrupam-se em feixes, sendo estes envolvidos num tecido de ligação que integra vasos sanguineos. Estes feixes de fibras nervosas constituem os nervos.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);"&gt;Fontes informativas: Preparação para os Testes Intermédios de Biologia e Geologia, José Manuel Salsa&lt;/span&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-4447889283757381107?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/4447889283757381107/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/estrutura-de-um-neuronio.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4447889283757381107'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4447889283757381107'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/estrutura-de-um-neuronio.html' title='Estrutura de um neurónio'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SiuDsxgOAEI/AAAAAAAAAmI/P0Uz6fMozlM/s72-c/image30.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8562017981974537327</id><published>2009-06-07T01:39:00.000-07:00</published><updated>2009-06-07T02:04:09.201-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Regulação nos seres vivos'/><title type='text'>Homeostase</title><content type='html'>&lt;span style="font-weight: bold; font-style: italic;font-family:times new roman;" &gt;Homeostase&lt;/span&gt;&lt;span style="font-family:times new roman;"&gt; (Homeostasia) é a propriedade de um sistema aberto, seres vivos especialmente, de regular o seu ambiente interno de modo a manter uma condição estável, mediante múltiplos ajustes de equilíbrio dinâmico controlados por mecanismos de regulação interrelacionados.&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;p style="font-style: italic; text-align: justify; font-family: times new roman;"&gt;Os sistemas homeostáticos exibem certas propriedades:&lt;/p&gt;&lt;div face="times new roman" style="text-align: justify;"&gt; &lt;/div&gt;&lt;ul style="text-align: justify; font-family: times new roman;"&gt;&lt;li&gt;São extremamente estáveis;&lt;/li&gt;&lt;li&gt;Toda a sua organização, interna, estrutural e funcional, contribui para a manutenção do equilíbrio.&lt;/li&gt;&lt;li&gt;São imprevisíveis (o resultado de uma determinada acção pode mesmo ser o oposto do esperado).&lt;/li&gt;&lt;/ul&gt;&lt;div face="times new roman" style="text-align: justify;"&gt; &lt;/div&gt;&lt;p style="font-style: italic; text-align: justify; font-family: times new roman;"&gt;Seguem-se alguns dos mais importantes exemplos de homeostase em mamíferos:&lt;/p&gt;&lt;div face="times new roman" style="text-align: justify;"&gt; &lt;/div&gt;&lt;ul style="text-align: justify; font-family: times new roman;"&gt;&lt;li&gt;A regulação da quantidade de água e minerais no corpo, conhecida como osmorregulação. Tem lugar principalmente nos rins.&lt;/li&gt;&lt;li&gt;A remoção de resíduos metabólicos, conhecida como excreção. Tem lugar em órgãos excretórios como os rins e os pulmões.&lt;/li&gt;&lt;li&gt;A regulação da temperatura corporal, realizada principalmente pela pele e pela circulação sanguínea.&lt;/li&gt;&lt;li&gt;A regulação dos níveis de glicose no sangue, realizada principalmente pelo fígado e pela insulina segregada pelo pâncreas. Estado de equilíbrio no corpo.&lt;/li&gt;&lt;li style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sit_a1G5IlI/AAAAAAAAAmA/xLMKjCcvSoI/s1600-h/mamiferos.jpg"&gt;&lt;img style="cursor: pointer; width: 265px; height: 268px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sit_a1G5IlI/AAAAAAAAAmA/xLMKjCcvSoI/s400/mamiferos.jpg" alt="" id="BLOGGER_PHOTO_ID_5344505481714541138" border="0" /&gt;&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt;&lt;span style="font-style: italic;"&gt;Mecanismos de homeostase: feedback&lt;/span&gt;&lt;/div&gt;&lt;ul style="text-align: justify; font-family: times new roman;"&gt;&lt;li&gt;O feedback negativo é a reacção pela qual o sistema responde de modo a reverter a direcção da mudança. Dando tender a manter estáveis as variáveis, permite a manutenção da homeostase. Por exemplo, quando a concentração corporal de dióxido de carbono&lt;a href="http://pt.wikipedia.org/wiki/Di%C3%B3xido_de_carbono" title="Dióxido de carbono"&gt;&lt;/a&gt; aumenta, os pulmões&lt;a href="http://pt.wikipedia.org/wiki/Pulm%C3%B5es" title="Pulmões" class="mw-redirect"&gt;&lt;/a&gt; são estimulados a aumentar a sua actividade e expelir mais dióxido de carbono&lt;a href="http://pt.wikipedia.org/wiki/Di%C3%B3xido_de_carbono" title="Dióxido de carbono"&gt;&lt;/a&gt;. A termorregulação é outro exemplo de feedback negativo. Quando a temperatura corporal sobe, ou desce, receptores na pele e no hipotálamo&lt;a href="http://pt.wikipedia.org/wiki/Hipot%C3%A1lamo" title="Hipotálamo"&gt;&lt;/a&gt; sentem a alteração, despoletando uma ordem no cérebro&lt;a href="http://pt.wikipedia.org/wiki/C%C3%A9rebro" title="Cérebro"&gt;&lt;/a&gt; que dá início a uma reacção no sentido de gerar ou libertar calor&lt;a href="http://pt.wikipedia.org/wiki/Calor" title="Calor"&gt;&lt;/a&gt;, conforme seja o caso.&lt;/li&gt;&lt;li&gt;No feedback positivo, a resposta amplifica a mudança da variável. Isto tem um efeito destabilizador, pelo que não contribui para a homeostase. O feedback positivo é menos comum nos sistemas naturais do que o feedback negativo, mas tem as suas aplicações. Por exemplo, nos nervos, um potencial eléctrico limite despoleta a geração de um potencial de acção muito mais elevado. Outros eventos de feedback positivo são a coagulação do sangue e vários eventos na gestação.&lt;/li&gt;&lt;/ul&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Fontes informativas: http://pt.wikipedia.org/wiki/Homeostase&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8562017981974537327?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8562017981974537327/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/homeostase.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8562017981974537327'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8562017981974537327'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/homeostase.html' title='Homeostase'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Sit_a1G5IlI/AAAAAAAAAmA/xLMKjCcvSoI/s72-c/mamiferos.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1120291143089786199</id><published>2009-06-07T01:22:00.000-07:00</published><updated>2009-06-07T02:04:32.900-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Regulação nos seres vivos'/><title type='text'>Relembrar!</title><content type='html'>&lt;span style="font-family:times new roman;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Sistema&lt;/span&gt; é toda a matéria e energia que existe dentro de uma região bem definida. Em Termodinâmica considera-se a existência de sistemas abertos, fechados e isolados.&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;ul  style="font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-style: italic;"&gt;Sistema Aberto -&lt;/span&gt; aquele que estabelece constantes trocas de matéria e de energia com o exterior.&lt;/li&gt;&lt;li style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sit8Bj0sGwI/AAAAAAAAAlo/L6KlfRQyIj8/s1600-h/p_featured-water-full.jpg"&gt;&lt;img style="cursor: pointer; width: 297px; height: 234px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sit8Bj0sGwI/AAAAAAAAAlo/L6KlfRQyIj8/s400/p_featured-water-full.jpg" alt="" id="BLOGGER_PHOTO_ID_5344501749043174146" border="0" /&gt;&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;&lt;br /&gt;&lt;ul style="font-family: times new roman;"&gt;&lt;li style="text-align: justify;"&gt;Sistema Fechado - troca energia com o exterior, mas não matéria.&lt;/li&gt;&lt;li style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sit8H0vLcmI/AAAAAAAAAlw/unIEBogQdt4/s1600-h/earth-blue.gif"&gt;&lt;img style="cursor: pointer; width: 231px; height: 227px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/Sit8H0vLcmI/AAAAAAAAAlw/unIEBogQdt4/s400/earth-blue.gif" alt="" id="BLOGGER_PHOTO_ID_5344501856662680162" border="0" /&gt;&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;&lt;br /&gt;&lt;ul style="font-family: times new roman;"&gt;&lt;li&gt;Sistema Isolado - não troca nem matéria nem energia com o exterior (estes sistemas não existem na Natureza, mas podem ser criados em condições laboratoriais).&lt;/li&gt;&lt;/ul&gt;&lt;ul&gt;&lt;li style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sit8fErFRVI/AAAAAAAAAl4/klx9QkiBjdY/s1600-h/energia_sist_isolado.jpg"&gt;&lt;img style="cursor: pointer; width: 145px; height: 198px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sit8fErFRVI/AAAAAAAAAl4/klx9QkiBjdY/s400/energia_sist_isolado.jpg" alt="" id="BLOGGER_PHOTO_ID_5344502256077456722" border="0" /&gt;&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1120291143089786199?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1120291143089786199/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/relembrar.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1120291143089786199'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1120291143089786199'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/06/relembrar.html' title='Relembrar!'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/Sit8Bj0sGwI/AAAAAAAAAlo/L6KlfRQyIj8/s72-c/p_featured-water-full.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1643283023953708814</id><published>2009-05-28T00:00:00.001-07:00</published><updated>2009-05-28T00:09:17.615-07:00</updated><title type='text'>Resumos para o teste intermédio</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sh44he5U8UI/AAAAAAAAAlQ/1KTvYd4rYgA/s1600-h/nerdGirl.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 221px; height: 202px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sh44he5U8UI/AAAAAAAAAlQ/1KTvYd4rYgA/s400/nerdGirl.jpg" alt="" id="BLOGGER_PHOTO_ID_5340768355988336962" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman;"&gt;Para facilitar o estudo dos alunos, decidi fazer uma pesquisa na Internet acerca da matéria leccionada durante todo o ano lectivo. Com o teste intermédio mesmo mesmo á porta, é fundamental organizar ideias.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Sítios a consultar: &lt;/span&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;http://www.resumos.net/files/biogeoano1e2.pdf&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1643283023953708814?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1643283023953708814/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/resumos-para-o-teste-intermedio.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1643283023953708814'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1643283023953708814'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/resumos-para-o-teste-intermedio.html' title='Resumos para o teste intermédio'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Sh44he5U8UI/AAAAAAAAAlQ/1KTvYd4rYgA/s72-c/nerdGirl.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-993018817159560849</id><published>2009-05-27T23:56:00.000-07:00</published><updated>2009-06-07T03:01:31.691-07:00</updated><title type='text'>Notícia#7</title><content type='html'>&lt;object width="340" height="285"&gt;&lt;param name="movie" value="http://www.youtube.com/v/pXFvhOkDjWc&amp;hl=pt-br&amp;fs=1&amp;color1=0x2b405b&amp;color2=0x6b8ab6&amp;border=1"&gt;&lt;/param&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;/param&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;/param&gt;&lt;embed src="http://www.youtube.com/v/pXFvhOkDjWc&amp;hl=pt-br&amp;fs=1&amp;color1=0x2b405b&amp;color2=0x6b8ab6&amp;border=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="340" height="285"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-993018817159560849?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/993018817159560849/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/noticia7.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/993018817159560849'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/993018817159560849'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/noticia7.html' title='Notícia#7'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-783870456216640106</id><published>2009-05-27T23:53:00.000-07:00</published><updated>2009-05-28T00:10:54.794-07:00</updated><title type='text'>Notícia#6</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sh41TsP2R0I/AAAAAAAAAlI/tWvNBeRjSik/s1600-h/RIMG0038.JPG"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 236px; height: 236px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sh41TsP2R0I/AAAAAAAAAlI/tWvNBeRjSik/s400/RIMG0038.JPG" alt="" id="BLOGGER_PHOTO_ID_5340764820519405378" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman;"&gt;A Unesco aprovou a entrada de Arouca na rede europeia de geoparques, considerando o Geoparque Arouca&lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt;&lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt; de alto interesse para a Humanidade.    A candidatura do Geoparque Arouca à Unesco foi apresentada em finais de Agosto passado e acolhida numa primeira fase. Uma equipa internacional de avaliação, em finais de Dezembro ou inícios de Janeiro de 2009, irá apreciar a viabilidade da pretensão, revelou o coordenador científico do projecto, Artur Sá.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt;o Geoparque Arouca, que corresponde à área administrativa do concelho de Arouca, com uma extensão de 330 quilómetros quadrados, é reconhecido pelo seu excepcional património geológico de importância internacional, nomeadamente pelas trilobites (fósseis de animais marinhos que viveram há milhões de anos - no Ordovícico Médio) gigantes de Canelas, pelas "pedras parideiras" da Castanheira, os icnofósseis do Vale do Paiva, e a Frecha da Mizarela, uma das quedas de água com maior desnível na Europa. As "pedras parideiras", que revelam um fenómeno geológico único no mundo - segundo Artur Sá -, são nódulos negros de biotite, um mineral, encrustados numa matriz granítica, que pelo efeito da erosão saltam da rocha.&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Fontes informativas:http://www.arouca.biz/Noticias/Local/Geoparque_Arouca_na_Rede_Europeia_de_Geoparques_200904222130/&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-783870456216640106?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/783870456216640106/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/noticia6.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/783870456216640106'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/783870456216640106'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/noticia6.html' title='Notícia#6'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Sh41TsP2R0I/AAAAAAAAAlI/tWvNBeRjSik/s72-c/RIMG0038.JPG' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-234165855463751001</id><published>2009-05-27T23:44:00.000-07:00</published><updated>2009-05-28T00:11:15.105-07:00</updated><title type='text'>Teste Intermédio</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sh40XUeHfFI/AAAAAAAAAlA/KPxRb3jYlEg/s1600-h/reminder.gif"&gt;&lt;img style="cursor: pointer; width: 400px; height: 320px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sh40XUeHfFI/AAAAAAAAAlA/KPxRb3jYlEg/s400/reminder.gif" alt="" id="BLOGGER_PHOTO_ID_5340763783344651346" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;"&gt;O teste Intermédio aproxima-se e é necessário assentar ideias estudantes.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;A preparação para o teste envolve etapas como a consciencialização da tarefa, recolha e selecção de informação, gestão do tempo, controlo do ambiente e saber quais as técnicas de estudo. O aluno deve rever conteúdos, aperceber-se de detalhes e dificuldades sobre as matérias leccionadas, praticar a resolução de exercícios com tipologia diversificada, e assim, consciencializar-se da progressão da sua aprendizagem e preparar-se eficazmente para os momentos de avaliação.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;Quando queremos alguma coisa, devemos lutar por ela, as coisas não caem simplesmente do céu. Boa sorte a todos, e principalmente, bom estudo!&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-234165855463751001?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/234165855463751001/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/teste-intermedio.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/234165855463751001'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/234165855463751001'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/teste-intermedio.html' title='Teste Intermédio'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Sh40XUeHfFI/AAAAAAAAAlA/KPxRb3jYlEg/s72-c/reminder.gif' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-124328658306748184</id><published>2009-05-10T09:00:00.000-07:00</published><updated>2009-05-10T09:12:47.146-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Notícias'/><title type='text'>Noticia#5</title><content type='html'>&lt;div style="text-align: justify; font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;Uma equipa médica de uma clínica particular de Berlim retirou um tumor de quase 18 kg da pélvis de uma mulher saudita, que pesava apenas 37 kg por causa de um câncer. Este é o maior condrossarcoma retirado até agora no mundo, disse hoje, em entrevista colectiva, o cirurgião responsável pela operação, Heinz Zurbrügg.&lt;/span&gt;&lt;/div&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt;      &lt;/div&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt;      &lt;/div&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt;      &lt;/div&gt;&lt;p style="font-family: times new roman; text-align: justify;"&gt;&lt;span style="font-size:100%;"&gt;O tumor cresceu durante mais de seis anos no ventre da mulher, 35 anos e com três filhos, caso tinha sido dado como perdido por médicos sauditas. Em 2004, a mulher recebeu o diagnóstico de condrossarcoma - um tumor ósseo cartilaginoso e maligno - que, desde então, "corroeu" o corpo da saudita, em quem a equipa médica realizou cinco operações sucessivas para poder retirar tod&lt;/span&gt;&lt;span style="font-size:100%;"&gt;o o tumor. O tamanho da massa cancerígena impediu, em um primeiro momento, qualquer tipo de operação, por isso a mulher foi submetida a um tratamento prévio de quimioterapia para reduzir o tumor.&lt;/span&gt;&lt;/p&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt;      &lt;/div&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt;      &lt;/div&gt;&lt;p style="font-family: times new roman; text-align: justify;"&gt;&lt;span style="font-size:100%;"&gt;Para minimizar os riscos à vida da paciente, o condrossarcoma foi analisado com técnicas de informática de 3D, que mostraram a impossibilidade de retirar todo o tumor em uma única operação, por isso foram planeadas cinco cirurgias, com intervalos de entre duas e quatro semanas. O tumor já tinha provocado falhas renais e havia um elevado risco de que obstruísse o cólon da mulher. A massa cancerígena tinha conseguido rasgar a pele da paciente e era visível de fora das nádegas da saudita.&lt;/span&gt;&lt;/p&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt;      &lt;/div&gt;&lt;div style="font-family: times new roman; text-align: justify;"&gt;  &lt;/div&gt;&lt;p style="font-family: times new roman; text-align: justify;"&gt;&lt;span style="font-size:100%;"&gt;Após a terceira operação na capital alemã, a paciente conse&lt;/span&gt;&lt;span style="font-size:100%;"&gt;guiu finalmente voltar a se sentar, algo que o tumor impedia há meses. A mulher planeia voltar em breve a Riad, onde permanecem os filhos de 7, 13 e 15 anos, mas ainda terá que voltar a Berlim para fazer revisão. Se os exames seguintes forem favoráveis, serão reconstruídos com implantes os fragmentos de pélvis e do quadril que foram retirados da paciente durante o tratamento.&lt;/span&gt;&lt;/p&gt;&lt;p style="text-align: center; font-family: times new roman;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sgb839CX03I/AAAAAAAAAkw/5mpvB5Ty8Js/s1600-h/1178336-1910-atm17.jpg"&gt;&lt;img style="cursor: pointer; width: 300px; height: 400px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sgb839CX03I/AAAAAAAAAkw/5mpvB5Ty8Js/s400/1178336-1910-atm17.jpg" alt="" id="BLOGGER_PHOTO_ID_5334228846874448754" border="0" /&gt;&lt;/a&gt;&lt;/p&gt;&lt;p style="text-align: justify; font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Bibliografia: http://noticias.terra.com.br/ciencia/interna/0,,OI3722901-EI238,00-Medicos+alemaes+retiram+tumor+de+kg+de+mulher+saudita.html&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-124328658306748184?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/124328658306748184/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/noticia5.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/124328658306748184'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/124328658306748184'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/noticia5.html' title='Noticia#5'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/Sgb839CX03I/AAAAAAAAAkw/5mpvB5Ty8Js/s72-c/1178336-1910-atm17.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7793966176419574149</id><published>2009-05-10T08:45:00.000-07:00</published><updated>2009-05-10T08:50:21.015-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Coisas engraçadas#4</title><content type='html'>&lt;span style="font-family: times new roman;font-family:times new roman;font-size:100%;"  &gt;Você faz xixi no banho? Se ficou com cara de nojo, pode parar com isso que a conversa é bem séria. A ONG SOS Mata Atlântica, no intuito de promover a economia de água e a sustentabilidade do planeta, lançou uma pesquisa no mínimo curiosa. Ao acessar o site &lt;i&gt;www.xixinobanho.o&lt;/i&gt;&lt;/span&gt;&lt;a style="font-family: times new roman;" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sgb3Q6YmYeI/AAAAAAAAAko/5VshkXwXS5s/s1600-h/1194241-8471-it2.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; float: right; cursor: pointer; width: 214px; height: 239px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/Sgb3Q6YmYeI/AAAAAAAAAko/5VshkXwXS5s/s400/1194241-8471-it2.jpg" alt="" id="BLOGGER_PHOTO_ID_5334222678589333986" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family: times new roman;font-family:times new roman;font-size:100%;"  &gt;&lt;i&gt;rg.br&lt;/i&gt;, o internauta responde, de cara, a pergunta que não quer calar: você faz xixi no banho? Na data de realização desta matéria, 76% das pessoas, na intimidade de seus computadores, admitiram aliviar-se nas quentes águas do chuveiro. &lt;/span&gt;&lt;p  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt; O site, que incentiva a prática do xixi no chuveiro, garante que o acto não é nada de nojento. Segundo a ONG, o xixi é composto por 95% de água, sendo que os demais 5% possuem substâncias como uréia e sal.&lt;/span&gt;&lt;/p&gt;&lt;p  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt; Fazendo xixi no banho, cada pessoa economiza pelo menos uma descarga por dia, e vale lembrar que as descargas se utilizam do reservatório de água potável das cidades. O xixi no banho, portanto, economiza água potável. O site traz ainda algumas outras informações interessantes, como o fato de que, na região sudeste, 80% da água que uma pessoa gasta durante o dia é dentro do banheiro (na pia, no chuveiro e no vaso sanitário).&lt;/span&gt;&lt;/p&gt;&lt;p  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt; Mais que uma divertida curiosidade, a enquete propõe uma reflexão sobre o desperdício de água no dia-a-dia e sobre como pequenos actos podem ajudar todo mundo a viver no tão desejado mundo melhor.&lt;/span&gt;&lt;/p&gt;&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Bibliografia: http://noticias.terra.com.br/ciencia/interna/0,,OI3755437-EI238,00-Fazer+xixi+no+banho+ajuda+a+melhorar+o+meio+ambiente.html&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7793966176419574149?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7793966176419574149/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/coisas-engracadas4.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7793966176419574149'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7793966176419574149'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/coisas-engracadas4.html' title='Coisas engraçadas#4'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/Sgb3Q6YmYeI/AAAAAAAAAko/5VshkXwXS5s/s72-c/1194241-8471-it2.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-3495749657434354240</id><published>2009-05-10T08:35:00.000-07:00</published><updated>2009-05-10T08:41:11.557-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Obtenção de energia'/><title type='text'>Tipos de fermentação</title><content type='html'>&lt;span style="color: rgb(255, 255, 255);font-size:100%;" &gt;&lt;i style="font-family: times new roman;"&gt;&lt;u&gt;Fermentação alcoólica&lt;/u&gt;&lt;/i&gt;&lt;/span&gt;&lt;ul  style="font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;É um processo de transformação de açúcares das plantas em álcool.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;È fermentado por leveduras.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;O ácido piruvico é convertido em etanol e em dióxido de carbono por duas etapas:&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;A primeira o ácido pirúvico é descarbonizado e forma-se em acetaldeido.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Segunda o acetaldeido é reduzido pelo NADH e forma-se em etanol.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;span style=";font-family:'Arial','sans-serif';font-size:100%;"  &gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;span style="color: rgb(255, 255, 255);font-size:100%;" &gt;&lt;u style="font-family: times new roman;"&gt;Fermentação láctica&lt;/u&gt;&lt;/span&gt;&lt;ul  style="font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;É um processo catábolico anaérobio.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;O que isso quer dizer , que não requer oxigénio.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;Pois as moléculas vão ser degradadas para obter energia química.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;O ácido piruvico é directamente reduzido pelo ácido láctico pelo NADH.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:100%;"&gt;A fermentação vai produzir quantidades de acido láctico, depois liberta dióxido de carbono, etanol e ácido acético&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sgb1P6Hvg2I/AAAAAAAAAkg/ZLZ6syvtD4Y/s1600-h/109ecf1543674619943b792d59ed7dac.jpg"&gt;&lt;img style="cursor: pointer; width: 371px; height: 258px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sgb1P6Hvg2I/AAAAAAAAAkg/ZLZ6syvtD4Y/s400/109ecf1543674619943b792d59ed7dac.jpg" alt="" id="BLOGGER_PHOTO_ID_5334220462315504482" border="0" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-3495749657434354240?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/3495749657434354240/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/tipos-de-fermentacao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3495749657434354240'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3495749657434354240'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/tipos-de-fermentacao.html' title='Tipos de fermentação'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/Sgb1P6Hvg2I/AAAAAAAAAkg/ZLZ6syvtD4Y/s72-c/109ecf1543674619943b792d59ed7dac.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-2137892458085045442</id><published>2009-05-10T08:24:00.000-07:00</published><updated>2009-05-10T08:34:48.647-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Obtenção de energia'/><title type='text'>Fermentação</title><content type='html'>&lt;span style="font-size:100%;"&gt;&lt;a style="font-family: times new roman;" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SgbzOXxNW6I/AAAAAAAAAkY/ITBzWoJRZCw/s1600-h/p%C3%A3o%2Bcom%2Bfermenta%C3%A7%C3%A3o%2Bnatural.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 320px; height: 240px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SgbzOXxNW6I/AAAAAAAAAkY/ITBzWoJRZCw/s400/p%C3%A3o%2Bcom%2Bfermenta%C3%A7%C3%A3o%2Bnatural.jpg" alt="" id="BLOGGER_PHOTO_ID_5334218236891061154" border="0" /&gt;&lt;/a&gt;&lt;/span&gt;&lt;div  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;A fermentação é um processo de obtenção de energia, é utilizado por algumas bactérias e outros organismo. Esta é um processo anaérobio de transformação de uma substância em outra, produzida a partir de microorganismos, tais como fungos e bactérias, chamados neste casos de fermentos. &lt;/span&gt;&lt;span style="color: black;"&gt;&lt;/span&gt;&lt;span style="font-size:100%;"&gt;&lt;br /&gt;Existem dois tipos de fermentação:&lt;span style="text-decoration: underline;"&gt;&lt;span style="font-style: italic;"&gt;&lt;/span&gt;&lt;/span&gt;&lt;i&gt;&lt;u&gt;&lt;span style="color: rgb(153, 204, 0);"&gt;&lt;/span&gt;&lt;/u&gt;&lt;/i&gt;&lt;br /&gt;- Fermentação aeróbia (respiração celular) → ocorre na presença de oxigénio (pode transformar vinagre, e ácido cítrico)&lt;br /&gt;- Fermentação anaeróbia → ocorre na ausência de oxigénio (pode transformar iogurte e vinho.)&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;p  style="text-align: justify; font-family: times new roman;font-family:times new roman;" class="MsoNormal"&gt;&lt;span style="font-size:100%;"&gt;Os mamíferos também são capazes de realizar a fermentação láctea.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;&lt;div  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;o:p&gt;&lt;/o:p&gt;Em condições em que existe falta de oxigénio nos músculos, ou seja, quando fazemos um esforço intenso e a quantidade de oxigénio necessária não chega aos músculos, as células musculares vão imediatamente fermentar, fazendo com que o ácido láctico se acumule no interior da fibra.&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Bibliografia: &lt;/span&gt;&lt;/span&gt;&lt;span style="color: rgb(0, 0, 0);font-size:100%;" &gt;Ferreira J. e Ferreira M. , Planeta com vida biologia ( volume II) – &lt;i&gt;Santillana 2007, Carnaxide&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-2137892458085045442?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/2137892458085045442/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/fermentacao.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2137892458085045442'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/2137892458085045442'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/05/fermentacao.html' title='Fermentação'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/SgbzOXxNW6I/AAAAAAAAAkY/ITBzWoJRZCw/s72-c/p%C3%A3o%2Bcom%2Bfermenta%C3%A7%C3%A3o%2Bnatural.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-3625900604756476130</id><published>2009-04-29T04:23:00.000-07:00</published><updated>2009-04-29T04:42:11.989-07:00</updated><title type='text'>Guarda Rios</title><content type='html'>&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;strong&gt;Nome comum&lt;/strong&gt; - Guarda-rios&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt; &lt;/div&gt;&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;strong&gt;Nome científico&lt;/strong&gt;&lt;em&gt; - Alcedo atthis&lt;/em&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt; &lt;/div&gt;&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;strong&gt;Identificação&lt;/strong&gt; - Os guarda-rios são aves de pequeno a médio porte (10 a 46 cm de comprimento). Grande cabeça, bico comprido, asas largas, pernas e cauda curtas. Azul e verde brilhantes nas partes superiores - dorso e cauda parecem luminosos. Laranja avermelhado inferiormente. O bico do macho é preto acizentado, enquanto a fêmea tem a base da mandíbula inferior vermelha. Bastante tímido. Voo rápido e directo, bem por cima da água, vendo-se pouco as suas cores, mas o dorso e a cauda brilham.&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt; &lt;/div&gt;&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;strong&gt;Habitat&lt;/strong&gt; - Visto frequentemente em lagos ricos em peixe. Empoleira-se nos ramos por cima da água, debaixo de pontes. Pode permanecer imóvel por longos períodos. Mergulha de cabeça para capturar peixe.&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt; &lt;/div&gt;&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;strong&gt;Reprodução&lt;/strong&gt; - Reproduz-se ao longo dos rios e ribeiros lentos, com bancos e socalcos arenosos, onde o ninho é escavado. Os guarda-rios são aves monogâmicas que formam casais permanentes na maioria das espécies.  A frequência de postura, feita sobretudo em cavidades no solo construídas por outros animais, varia de acordo com as espécies e condições ambientais entre 1 a 4 vezes por ano. Cada postura tem em média 3 a 6 ovos, que são incubados por ambos os membros do casal durante duas a quatro semanas. Os juvenis são totalmente dependentes dos pais durante as três a oito semanas seguintes. Quando as crias começam a voar, o casal diminui drasticamente a quantidade de comida que traz aos filhos para os incentivar a procurar alimentos sozinhos.&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify; font-family: times new roman;"&gt; &lt;/div&gt;&lt;p  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;strong&gt;Curiosidades&lt;/strong&gt; - Também conhecido como pica-peixe. Os guarda-rios são aves diurnas e sedentárias, havendo no entanto exemplos de espécies parcialmente migratórias.  Os predadores conhecidos do grupo são sobretudo aves de rapina.&lt;/span&gt;&lt;/p&gt;&lt;p face="times new roman" style="text-align: justify;"&gt;&lt;br /&gt;&lt;/p&gt;&lt;div&gt;&lt;embed src="http://widget-f1.slide.com/widgets/slideticker.swf" type="application/x-shockwave-flash" quality="high" scale="noscale" salign="l" wmode="transparent" flashvars="cy=bb&amp;amp;il=1&amp;amp;channel=3458764513836964337&amp;amp;site=widget-f1.slide.com" style="width: 400px; height: 320px;" name="flashticker" align="middle"&gt;&lt;/embed&gt;&lt;div style="width: 400px; text-align: left;"&gt;&lt;a href="http://www.slide.com/pivot?cy=bb&amp;amp;at=un&amp;amp;id=3458764513836964337&amp;amp;map=1" target="_blank"&gt;&lt;img src="http://widget-f1.slide.com/p1/3458764513836964337/bb_t000_v000_s0un_f00/images/xslide1.gif" ismap="ismap" border="0" /&gt;&lt;/a&gt; &lt;a href="http://www.slide.com/pivot?cy=bb&amp;amp;at=un&amp;amp;id=3458764513836964337&amp;amp;map=2" target="_blank"&gt;&lt;img src="http://widget-f1.slide.com/p2/3458764513836964337/bb_t000_v000_s0un_f00/images/xslide2.gif" ismap="ismap" border="0" /&gt;&lt;/a&gt; &lt;a href="http://www.slide.com/pivot?cy=bb&amp;amp;at=un&amp;amp;id=3458764513836964337&amp;amp;map=F" target="_blank"&gt;&lt;img src="http://widget-f1.slide.com/p4/3458764513836964337/bb_t000_v000_s0un_f00/images/xslide42.gif" ismap="ismap" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Fontes informativas: http://www.aguaonline.net/gca/?id=184&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-3625900604756476130?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/3625900604756476130/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/guarda-rios.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3625900604756476130'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/3625900604756476130'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/guarda-rios.html' title='Guarda Rios'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7511641515795842906</id><published>2009-04-28T15:49:00.000-07:00</published><updated>2009-04-29T04:52:46.075-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Distribuição de Matéria'/><title type='text'>Coração Humano</title><content type='html'>&lt;div  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;O coração é o órgão central da circulação, localizado na caixa toráxica, levemente inclinado para esquerda e para baixo (mediastino médio), sendo constituído por uma massa contráctil, o miocárdio, revestido interiormente por uma membrana fina, o endocárdio, é envolvido por um saco fibro-seroso, o pericárdio. O coração é constituído por duas porções: a metade direita ou coração direito, onde circula o sangue venoso e a metade esquerda, onde circula sangue arterial. Cada uma destas metades do coração é constituída por duas cavidades, uma superior - a aurícula- e uma inferior - o ventrículo. Estas cavidades comunicam entre si pelos orifícios aurículo-ventriculares. As duas auriculas encontram-se separadas pelo septo interauricular e os dois ventrículos pelo septo interventricular.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeJUukpXAI/AAAAAAAAAkQ/4nVWxDl_hCI/s1600-h/cora%C3%A7ao1.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 298px; height: 270px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeJUukpXAI/AAAAAAAAAkQ/4nVWxDl_hCI/s400/cora%C3%A7ao1.jpg" alt="" id="BLOGGER_PHOTO_ID_5329879673208396802" border="0" /&gt;&lt;/a&gt;&lt;span style="font-family:times new roman;"&gt;Na cavidade atrioventricular esquerda encontra-se a valva mitral, e no orifício atrioventricular direito a valva tricúspide (são valvas que se abrem em direcção ao ventrículo e se fecham para evitar o refluxo do sangue). A circulação sanguínea é assegurada pelo batimento cardíaco, ou seja, o batimento do coração, que lança o sangue nas artérias. O coração é um órgão musculoso que, no Homem, tem o tamanho aproximado de um punho.&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-align: center;"&gt;&lt;br /&gt;&lt;/div&gt;&lt;object width="320" height="265"&gt;&lt;param name="movie" value="http://www.youtube.com/v/n6CQvWiJxgM&amp;amp;hl=pt-br&amp;amp;fs=1&amp;amp;color1=0x234900&amp;amp;color2=0x4e9e00"&gt;&lt;param name="allowFullScreen" value="true"&gt;&lt;param name="allowscriptaccess" value="always"&gt;&lt;embed src="http://www.youtube.com/v/n6CQvWiJxgM&amp;amp;hl=pt-br&amp;amp;fs=1&amp;amp;color1=0x234900&amp;amp;color2=0x4e9e00" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="320" height="265"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7511641515795842906?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7511641515795842906/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/coracao-humano.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7511641515795842906'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7511641515795842906'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/coracao-humano.html' title='Coração Humano'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeJUukpXAI/AAAAAAAAAkQ/4nVWxDl_hCI/s72-c/cora%C3%A7ao1.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-4638436722628572553</id><published>2009-04-28T15:30:00.000-07:00</published><updated>2009-04-28T15:48:33.842-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Distribuição de Matéria'/><title type='text'>Transporte nos Vertebrados</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;font-size:130%;" &gt;&lt;span style="font-style: italic; font-weight: bold;"&gt;Peixe - &lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: times new roman;"&gt;Nos peixes a circulação é simples, ou seja, o coração é constituído por uma aurícula e por um ventrículo. O sangue completa uma volta total ao corpo, passando uma única vez pelo coração. Ao coração destes animais chega o sangue venoso que é recebido pela aurícula que o bombeia para o ventrículo. Após a contracção do ventrículo, ou seja, a sístole, pressiona o sangue em direcção às superfícies respiratórias. Aí o sangue recebe oxigénio e parte em direcção a todas as células do corpo. O sangue chega às células a baixa pressão, por isso o acesso ao oxigénio e nutrientes é baixo.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeEvHrHCBI/AAAAAAAAAjY/5yF8BLomxnY/s1600-h/0000peixe+fotoo.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 282px; height: 183px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeEvHrHCBI/AAAAAAAAAjY/5yF8BLomxnY/s400/0000peixe+fotoo.jpg" alt="" id="BLOGGER_PHOTO_ID_5329874629064853522" border="0" /&gt;&lt;/a&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeEaI0_GlI/AAAAAAAAAjQ/nPOiv_KEdaU/s1600-h/peixe.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 138px; height: 244px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeEaI0_GlI/AAAAAAAAAjQ/nPOiv_KEdaU/s400/peixe.jpg" alt="" id="BLOGGER_PHOTO_ID_5329874268597459538" border="0" /&gt;&lt;/a&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;&lt;span style="font-family: times new roman;"&gt;Anfíbio -&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: times new roman;"&gt; Os répteis também apresentam uma circulação dupla e incompleta, mas com excepção dos crocodilos que apresentam um coração e quatro cavidades. O coração destes animais apresenta duas aurículas e um ventrículo e onde se observa um septo incompleto. A contracção da aurícula direita antecede a da aurícula esquerda, evitando a mistura total de sangue venoso e arterial. O ventrículo encaminha o sangue venoso na direcção dos pulmões, para o lado direito e o sangue arterial para o lado esquerdo, no sentido dos restantes órgãos do corpo.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SfeFkWNT-AI/AAAAAAAAAjg/r8McyM-lJ9o/s1600-h/anfibio.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 213px; height: 215px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SfeFkWNT-AI/AAAAAAAAAjg/r8McyM-lJ9o/s400/anfibio.jpg" alt="" id="BLOGGER_PHOTO_ID_5329875543499470850" border="0" /&gt;&lt;/a&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/SfeGgQ1MXFI/AAAAAAAAAjo/fm_OqGxl8m8/s1600-h/anfibio.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 117px; height: 200px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/SfeGgQ1MXFI/AAAAAAAAAjo/fm_OqGxl8m8/s400/anfibio.jpg" alt="" id="BLOGGER_PHOTO_ID_5329876572848282706" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;"&gt;Mamiferos- &lt;/span&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Nos mamíferos e nas aves o coração apresenta quatro cavidades: duas aurículas e dois ventrículos. Assim sendo existe recepção de sangue proveniente de duas cavidades sem ocorrer qualquer mistura deste fluído. No lado esquerdo do coração circula sangue arterial e no lado direito sangue venoso. Neste tipo de animais o sangue circula a grande pressão e nunca se mistura. A separação entre a circulação pulmonar e a circulação sistémica nas aves e nos mamíferos permitindo um maior afluxo de oxigénio nas células devido à sua complexidade e, consequentemente, às suas maiores exigências energéticas.&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeHB0MAvTI/AAAAAAAAAjw/0W3772hFShc/s1600-h/bebe.gif"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 187px; height: 174px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeHB0MAvTI/AAAAAAAAAjw/0W3772hFShc/s400/bebe.gif" alt="" id="BLOGGER_PHOTO_ID_5329877149274914098" border="0" /&gt;&lt;/a&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SfeHLP4ATsI/AAAAAAAAAj4/3eNFBsZZewI/s1600-h/homem.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 162px; height: 281px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SfeHLP4ATsI/AAAAAAAAAj4/3eNFBsZZewI/s400/homem.jpg" alt="" id="BLOGGER_PHOTO_ID_5329877311326015170" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;span style="font-size:85%;"&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Fontes informativas: http://images.google.pt/imgres?imgurl=http://biotic.no.sapo.pt/images/imagem.jpg&amp;amp;imgrefurl=http://10-1-modulosrecorrente.blogspot.com/2008_06_01_archive.html&amp;amp;usg=__2jHdphz7RptyKcRn3n0uOAlQKEg=&amp;amp;h=494&amp;amp;w=794&amp;amp;sz=59&amp;amp;hl=pt-PT&amp;amp;start=10&amp;amp;um=1&amp;amp;tbnid=S3mCNZwNem8uLM:&amp;amp;tbnh=89&amp;amp;tbnw=143&amp;amp;prev=/images%3Fq%3Dtransporte%2Bnos%2Banimais%2B-%2Bbiologia%26hl%3Dpt-PT%26sa%3DG%26um%3D1  &lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;&lt;br /&gt;&lt;br /&gt;&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-4638436722628572553?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/4638436722628572553/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/transporte-nos-vertebrados.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4638436722628572553'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4638436722628572553'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/transporte-nos-vertebrados.html' title='Transporte nos Vertebrados'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SfeEvHrHCBI/AAAAAAAAAjY/5yF8BLomxnY/s72-c/0000peixe+fotoo.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1961091233985545545</id><published>2009-04-28T15:25:00.000-07:00</published><updated>2009-04-28T15:30:15.719-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Distribuição de Matéria'/><title type='text'>Sistemas de transporte</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SfeDThtA3JI/AAAAAAAAAjA/dC4jZMyM9ZA/s1600-h/imagem.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 249px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SfeDThtA3JI/AAAAAAAAAjA/dC4jZMyM9ZA/s400/imagem.jpg" alt="" id="BLOGGER_PHOTO_ID_5329873055504194706" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/SfeCnDXsUVI/AAAAAAAAAi4/13VtIaGKF0c/s1600-h/tabela1.bmp"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 238px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/SfeCnDXsUVI/AAAAAAAAAi4/13VtIaGKF0c/s400/tabela1.bmp" alt="" id="BLOGGER_PHOTO_ID_5329872291447460178" border="0" /&gt;&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1961091233985545545?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1961091233985545545/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/sistemas-de-transporte.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1961091233985545545'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1961091233985545545'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/sistemas-de-transporte.html' title='Sistemas de transporte'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SfeDThtA3JI/AAAAAAAAAjA/dC4jZMyM9ZA/s72-c/imagem.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8893548766567604851</id><published>2009-04-28T15:11:00.000-07:00</published><updated>2009-04-28T15:25:11.831-07:00</updated><title type='text'>Trasnposte nos animais</title><content type='html'>&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SfeA6iaYBcI/AAAAAAAAAiw/C6y0bu9hqB0/s1600-h/11.jpg"&gt;&lt;img style="margin: 0pt 0pt 10px 10px; 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&lt;![endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Em todos os animais existe um sistema de transporte que permite conduzir todas as substâncias necessárias à actividade vital dos animais.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;  &lt;p class="MsoNormal"  style="margin-bottom: 0.0001pt; text-align: justify; line-height: normal;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;O sistema de transporte inclui, tipicamente:&lt;/span&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;  &lt;ul  type="disc" style="font-family:times new roman;"&gt;&lt;li class="MsoNormal" style="text-align: justify; line-height: normal;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;um      fluido circulante, como, por exemplo, o sangue&lt;/span&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li class="MsoNormal" style="text-align: justify; line-height: normal;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;um orgão      propulsor do sangue, geralmente o coração&lt;/span&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;li class="MsoNormal" style="text-align: justify; line-height: normal;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;um      sistema de vasos ou espaços por onde circula o fluido circulante&lt;/span&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/li&gt;&lt;/ul&gt;  &lt;p class="MsoNormal"  style="text-align: justify; line-height: normal; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;A função circulatória apresenta diversas funções vitais, na medida que permite o transporte de nutrientes até à totalidade das células bem como do oxigénio, a remoção das excreções para os orgãos de onde devem ser eliminadas, o transporte de hormonas, a defesa do organismo e a distribuição do calor metabólico por este.&lt;/span&gt;&lt;/p&gt;&lt;p class="MsoNormal"  style="text-align: justify; line-height: normal;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;font-size:100%;"  &gt;Fontes informativas: Livro "Terra, Universo de Vida", Parte II, Mesquita Almira, Santos Maria, Gramaxo Fernandes e Silva Amparo&lt;/span&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class="MsoNormal"  style="text-align: justify; line-height: normal;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class="MsoNormal" style="text-align: justify; line-height: normal;"&gt;&lt;br /&gt;&lt;span style=";font-family:&amp;quot;;font-size:12;"  &gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;  &lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8893548766567604851?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8893548766567604851/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/trasnposte-nos-animais.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8893548766567604851'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8893548766567604851'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/trasnposte-nos-animais.html' title='Trasnposte nos animais'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SfeA6iaYBcI/AAAAAAAAAiw/C6y0bu9hqB0/s72-c/11.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-4185619534415771961</id><published>2009-04-28T14:49:00.000-07:00</published><updated>2009-04-28T15:10:47.402-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Distribuição de Matéria'/><title type='text'>Trasnporte no floema</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;"&gt;O floema é o tecido das plantas vasculares encarregado de levar a seiva elaborada pelo caule até à raiz e aos órgãos de reserva. A seiva elaborada, que é uma solução aquosa de substâncias orgânicas, é transportada através do floema desde os órgãos da planta com capacidade fotossintética até aos outros órgãos que funcionam como consumidores dessas substâncias, nomeadamente, os meristemas, as células do interior do caule, da raiz, das flores, dos frutos e dos órgãos de reserva - que podem estar dispersos dentro do caule e da raiz, mas que podem estar especializados, como os tubérculos e rizomas.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;O floema é formado por células alongadas, cilíndricas, formadas pelo meristema apical (nas extremidades do caule ou dos ramos), ou pelo câmbio vascular que forma o floema secundário da sua porção externa. O floema é constituído por quatro tipos celulares básicos:&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;ol style="font-family: times new roman; text-align: justify;"&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Células crivosas -&lt;/span&gt;&lt;/span&gt; células vivas (quase sem organelos), colocadas topo a topo, formando os &lt;b&gt;tubos crivosos&lt;/b&gt;. As suas paredes celulares transversais denominam-se &lt;b&gt;placas crivosas&lt;/b&gt;, cujos microporos estabelecem a ligação entre o citoplasma de células adjacentes. Cada microporo é revestido de &lt;b&gt;calose&lt;/b&gt; (polímero de glicose), que no Inverno pode obstruir completamente o vaso, dissolvendo-se depois na primavera. Quando ocorrem infecções ou o vaso é parasitado, também pode ser obstruído com calose.&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Células de companhia -&lt;/span&gt;&lt;/span&gt; células vivas que se encontram associadas aostubos crivosos. Possuem organelos e diversas mitocôndrias que fornecem ATP às células crivosas para o transporte ativo de fotossintatos (produtos da fotossíntese).&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-style: italic; font-weight: bold;"&gt;Parênquima liberino -&lt;/span&gt;&lt;/span&gt; Exercem funções de reserva.&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Fibras liberinas -&lt;/span&gt;&lt;/span&gt; Únicas células mortas do floema e exercem funções de suporte.&lt;/li&gt;&lt;/ol&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;"&gt;No floema, a seiva elaborada é transportada em todas as direcções (ao contrário do que ocorre no xilema), e a esta movimentação em todos os sentidos chama-se &lt;/span&gt;&lt;b style="font-family: times new roman;"&gt;tran&lt;/b&gt;&lt;b style="font-family: times new roman;"&gt;slocação floémica&lt;/b&gt;&lt;span style="font-family: times new roman;"&gt;, que ocorre a uma velocidade que varia entre 50 a 100 cm/h. Embora o movimento da seiva floémica seja menos conhecido que o da xilémica, a hipótese do fluxo de massa é a mais aceite relativamente ao transporte floémico.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;br /&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sfd-kK6HsgI/AAAAAAAAAig/Doh3Lys-DW0/s1600-h/fluxomassa.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 400px; height: 250px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/Sfd-kK6HsgI/AAAAAAAAAig/Doh3Lys-DW0/s400/fluxomassa.jpg" alt="" id="BLOGGER_PHOTO_ID_5329867843884790274" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0);"&gt;Fontes informativas: http://pt.wikipedia.org/wiki/Floema&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-4185619534415771961?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/4185619534415771961/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/trasnporte-no-floema.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4185619534415771961'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4185619534415771961'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/trasnporte-no-floema.html' title='Trasnporte no floema'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/Sfd-kK6HsgI/AAAAAAAAAig/Doh3Lys-DW0/s72-c/fluxomassa.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7176969444423401481</id><published>2009-04-28T14:23:00.000-07:00</published><updated>2009-04-28T14:39:43.987-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Distribuição de Matéria'/><title type='text'>Transporte no xilema</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-family:times new roman;"&gt;Chama-se xilema ao tecido das plantas vasculares por onde circula a água com sais minerais dissolvidos - a seiva bruta - da raíz até às folhas. Nas árvores, o xilema secundário é o constituinte da madeira ou lenha.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div  style="text-align: justify;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sfd1oWvM45I/AAAAAAAAAiQ/Vqr2BoxXpJc/s1600-h/800px-Celery_cross_section.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 280px; height: 210px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/Sfd1oWvM45I/AAAAAAAAAiQ/Vqr2BoxXpJc/s400/800px-Celery_cross_section.jpg" alt="" id="BLOGGER_PHOTO_ID_5329858020175045522" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="font-family:times new roman;"&gt;O xilema é formado por quatro tipos celulares:&lt;/span&gt;&lt;br /&gt;&lt;ol  style="font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-style: italic;"&gt;&lt;span style="font-weight: bold;"&gt;Traqueidos&lt;/span&gt;&lt;/span&gt;&lt;span style="font-size:100%;"&gt; - &lt;/span&gt;&lt;/span&gt;são células cilíndricas, alongadas e com numerosos poros, tanto nas paredes laterais. A parede celular dos traqueídos encontra-se reforçada com lenhina, um composto quimico roduzido apenas pelas plantas, que as torna impermeáveis. Quando se encontram totalmente formadas, estas células perdem todo o citoplasma (tornam-se células mortas) e funcionam como vasos condutores da seiva, não só na direção vertical, mas também para os tecidos circundantes.&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Elementos de vasos -&lt;/span&gt;&lt;/span&gt; Tal como os traqueídos, também são células mortas lignificadas. As células dispõem-se topo a topo, e as paredes celulares transversais desaparecem, formando-se vasos xilémicos. Também nos elementos vaso existem poros, que correspondem a zonas de permeabilidade, em que pode ocorrer passagem lateral da seiva bruta.&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Fibras Lenhosas -&lt;/span&gt;&lt;/span&gt; São células mortas e alongadas, bastante lignificadas, e cuja função principal é a de suporte dos feixes xilémicos.&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Parênquima Lenhoso -&lt;/span&gt;&lt;/span&gt; Únicas células vivas do tecido xilémico, e exercem funções de reserva.&lt;/li&gt;&lt;/ol&gt;&lt;span style="font-family:times new roman;"&gt;Para explicar a ascensão da seiva bruta no xilema foram propostos doois modelos:&lt;/span&gt;&lt;span style=";font-family:times new roman;font-size:130%;"  &gt;&lt;br /&gt;&lt;/span&gt;&lt;ol  style="font-family:times new roman;"&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Hipótese da pressão radicular&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;&lt;li&gt;&lt;span style="font-size:130%;"&gt;&lt;span style="font-weight: bold; font-style: italic;"&gt;Hipótese da Tensão-Coesão-Adesão&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;&lt;/ol&gt;&lt;span style="color: rgb(0, 0, 0);font-family:times new roman;" &gt;Fontes informativas: Enciclopédia&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7176969444423401481?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7176969444423401481/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/transporte-no-xilema.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7176969444423401481'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7176969444423401481'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/transporte-no-xilema.html' title='Transporte no xilema'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/Sfd1oWvM45I/AAAAAAAAAiQ/Vqr2BoxXpJc/s72-c/800px-Celery_cross_section.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8222212722012939157</id><published>2009-04-28T14:20:00.001-07:00</published><updated>2009-04-28T14:22:07.664-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Distribuição de Matéria'/><title type='text'>Transporte nas Plantas II</title><content type='html'>&lt;div style="width:425px;text-align:left" id="__ss_362148"&gt;&lt;a style="font:14px Helvetica,Arial,Sans-serif;display:block;margin:12px 0 3px 0;text-decoration:underline;" href="http://www.slideshare.net/guest018b8f/transporte-plantas?type=powerpoint" title="Transporte Plantas"&gt;Transporte Plantas&lt;/a&gt;&lt;object style="margin:0px" width="425" height="355"&gt;&lt;param name="movie" value="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=transporteplantas-1208647133840199-9&amp;stripped_title=transporte-plantas" /&gt;&lt;param name="allowFullScreen" value="true"/&gt;&lt;param name="allowScriptAccess" value="always"/&gt;&lt;embed src="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=transporteplantas-1208647133840199-9&amp;stripped_title=transporte-plantas" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="355"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div style="font-size:11px;font-family:tahoma,arial;height:26px;padding-top:2px;"&gt;View more &lt;a style="text-decoration:underline;" href="http://www.slideshare.net/"&gt;presentations&lt;/a&gt; from &lt;a style="text-decoration:underline;" href="http://www.slideshare.net/guest018b8f"&gt;guest018b8f&lt;/a&gt;.&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8222212722012939157?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8222212722012939157/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/plantas.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8222212722012939157'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8222212722012939157'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/plantas.html' title='Transporte nas Plantas II'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7617198764327447081</id><published>2009-04-28T13:51:00.000-07:00</published><updated>2009-04-28T14:22:52.207-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Distribuição de Matéria'/><title type='text'>O transporte nas plantas</title><content type='html'>&lt;div face="times new roman" style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;"&gt;Assim como os animais, as plantas apresentam conjuntos de células especializadas na realização de determinadas funções: os tecidos. O xilema e floema são tecidos condutores, constituintes do sistema vascular da planta, responsáveis pelo transporte e distribuição de substâncias ao longo do vegetal.&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;font-size:130%;" &gt;&lt;br /&gt;&lt;strong style="font-weight: bold; font-style: italic;"&gt;Xilema&lt;/strong&gt;&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;O xilema, ou lenho, é responsável pela condução de água e sais minerais - seiva bruta - das raízes até o ápice da planta. É constituído por células mortas impregnadas por lignina e reforçadas com celulose. Há dois tipos de vasos lenhosos: &lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt;traqueídes&lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt; (ou vasos fechados): sem lignina em algumas regiões, denominadas pontuações; e &lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt;elementos de vasos&lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt; (vasos abertos), onde a parede celular é ausente em alguns pontos, permitindo a passagem de água com maior facilidade.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;font-size:130%;" &gt;&lt;strong style="font-weight: bold; font-style: italic;"&gt;Floema&lt;/strong&gt;&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="font-family: times new roman;"&gt;O floema, ou líber, é responsável pela condução da seiva elaborada das folhas às outras regiões da planta. Esta é produzida graças à água e sais minerais que o xilema transportou até as folhas, que são usados na fotossíntese, produzindo os compostos orgânicos que a constituem. Os elementos de &lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt;tubos crivados&lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt; - células vivas, anucleadas e alongadas - são os constituintes fundamentais deste tecido. Suas paredes possuem vários poros (crivos). Cada um destes é atravessado por um plasmodesma: uma ponte citoplasmática que se comunica com o citoplasma e células vizinhas. Os tubos crivados sobrevivem por meio da troca de substâncias com as&lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt; células companheiras&lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt;. Além desses dois, &lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt;fibras de&lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt; &lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt;esclerênquima &lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt;e &lt;/span&gt;&lt;strong style="font-family: times new roman;"&gt;células do parênquima&lt;/strong&gt;&lt;span style="font-family: times new roman;"&gt; são encontradas no floema, auxiliando na sustentação e no armazenamento de substâncias.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;a style="font-family: times new roman;" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/SfdusGDundI/AAAAAAAAAiI/oB7qIXDN8hU/s1600-h/2354cca45d8013a9c374f894ec320135.jpg"&gt;&lt;img style="margin: 0px auto 10px; display: block; text-align: center; cursor: pointer; width: 254px; height: 291px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/SfdusGDundI/AAAAAAAAAiI/oB7qIXDN8hU/s400/2354cca45d8013a9c374f894ec320135.jpg" alt="" id="BLOGGER_PHOTO_ID_5329850387835821522" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Legenda: A letra "A" representa o xilema, e a "B" o floema.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Jogos com a Biologia: &lt;/span&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;http://tuta.no.sapo.pt/tlb/tpa.htm&lt;/span&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;http://tuta.no.sapo.pt/tlb/tpb.htm&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Fontes informativas:&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7617198764327447081?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7617198764327447081/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/o-transporte-nas-plantas.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7617198764327447081'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7617198764327447081'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/o-transporte-nas-plantas.html' title='O transporte nas plantas'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/SfdusGDundI/AAAAAAAAAiI/oB7qIXDN8hU/s72-c/2354cca45d8013a9c374f894ec320135.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-7271932758101544623</id><published>2009-04-15T13:40:00.001-07:00</published><updated>2009-04-15T13:40:07.734-07:00</updated><title type='text'>B16   QuimiossíNtese</title><content type='html'>Check out this SlideShare Presentation: &lt;div style="width:425px;text-align:left" id="__ss_1261475"&gt;&lt;a style="font:14px Helvetica,Arial,Sans-serif;display:block;margin:12px 0 3px 0;text-decoration:underline;" href="http://www.slideshare.net/nunocorreia/b16-quimiossntese?type=presentation" title="B16   QuimiossíNtese"&gt;B16   QuimiossíNtese&lt;/a&gt;&lt;object style="margin:0px" width="425" height="355"&gt;&lt;param name="movie" value="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=b16-quimiossntese-090407174312-phpapp02&amp;stripped_title=b16-quimiossntese" /&gt;&lt;param name="allowFullScreen" value="true"/&gt;&lt;param name="allowScriptAccess" value="always"/&gt;&lt;embed src="http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=b16-quimiossntese-090407174312-phpapp02&amp;stripped_title=b16-quimiossntese" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="355"&gt;&lt;/embed&gt;&lt;/object&gt;&lt;div style="font-size:11px;font-family:tahoma,arial;height:26px;padding-top:2px;"&gt;View more &lt;a style="text-decoration:underline;" href="http://www.slideshare.net/"&gt;presentations&lt;/a&gt; from &lt;a style="text-decoration:underline;" href="http://www.slideshare.net/nunocorreia"&gt;nunocorreia&lt;/a&gt;.&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-7271932758101544623?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/7271932758101544623/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/b16-quimiossintese.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7271932758101544623'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/7271932758101544623'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/04/b16-quimiossintese.html' title='B16   QuimiossíNtese'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8573672131991005737</id><published>2009-03-24T02:56:00.000-07:00</published><updated>2009-03-24T03:01:10.039-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Coisas engraçadas'/><title type='text'>Extinção das espécies</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://1.bp.blogspot.com/_2iN4S-tiKt0/SciuTYxNRgI/AAAAAAAAAh4/7Uqv5FhR8dc/s1600-h/deligne_16052008_1.jpg"&gt;&lt;img style="cursor: pointer; width: 400px; height: 346px;" src="http://1.bp.blogspot.com/_2iN4S-tiKt0/SciuTYxNRgI/AAAAAAAAAh4/7Uqv5FhR8dc/s400/deligne_16052008_1.jpg" alt="" id="BLOGGER_PHOTO_ID_5316691008200459778" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;div style="text-align: justify;"&gt; &lt;span style="font-family: times new roman; color: rgb(0, 0, 0);font-size:100%;" &gt;Reflexão: Este cartoon apela-nos, não só para o degelo mas também para as consequências que isso vai provocar para os animais que vivem em zonas polares. O urso polar, por exemplo, é um animal que, com o degelo das superfícies geladas, não sobreviverá, e tendo a" consciência" disso,&lt;/span&gt;&lt;span style="color: rgb(0, 0, 0);font-size:100%;" &gt;&lt;span style="font-family: times new roman;"&gt; vemos que o tubarão lhe está a dar aulas de natação para que este consiga sobreviver e não se extinga. Será realmente necessário perdermos tantas espécies&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family: times new roman; color: rgb(0, 0, 0);font-size:100%;" &gt;, só porque o Homem se sente "preguiçoso" em resolver o problema que nos enfrenta todos os dias?&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8573672131991005737?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8573672131991005737/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/extincao-das-especies.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8573672131991005737'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8573672131991005737'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/extincao-das-especies.html' title='Extinção das espécies'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://1.bp.blogspot.com/_2iN4S-tiKt0/SciuTYxNRgI/AAAAAAAAAh4/7Uqv5FhR8dc/s72-c/deligne_16052008_1.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-5864668972198588426</id><published>2009-03-24T02:44:00.000-07:00</published><updated>2009-03-24T02:52:50.215-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Diversidade na Biofesra'/><title type='text'>Extinção: O fim da espécie</title><content type='html'>&lt;p  style="text-align: justify; font-family: times new roman;font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;Nas ilhas Mascarenhas -Maurício, Reunião e Rodriguez - no Oceano Índico habitava uma espécie de pombos gigantes que não voavam, o dodô (&lt;em&gt;Didus Ineptus&lt;/em&gt;) que foi extinta pela acção humana. Os volumosos pássaros pesavam mais de 20 quilos e apresentavam asas curtas e pequenas para o seu corpo além de uma cabeça grande pelada com um bico curvo bastante avantajado. Essas criaturas construíam seus ninhos no chão. Sem dúvida uma presa vulnerável ao ataque de qualquer predador. Vivendo pacificamente numa ilha sem predadores, os dodôs se multiplicavam. No século 17 a chegada de marinheiros holandeses foi suficiente para a extinção desta espécie. Eles trouxeram consigo numerosos animais, entre eles porcos e macacos, inclusive ratos escondidos nos navios.  Como seus ninhos ficavam expostos, eles  se tornavam presas fáceis destes animais. Além disso, marinheiros utilizavam a carne dos dôdos com iguaria. Actualmente a única coisa que nos resta sobre estes maravilhosos pássaros são alguns desenhos e pinturas a óleo feitas por não-cientistas, e algumas descrições grosseiras dos viajantes marinheiros que o conheceram.&lt;/span&gt;&lt;/p&gt;&lt;div  style="text-align: justify;font-family:times new roman;"&gt;&lt;div style="text-align: center;"&gt; &lt;span style="font-size:100%;"&gt;&lt;img class="alignleft size-medium wp-image-757" title="V0020723 A dodo. Etching by J. Le Keux." src="http://biologiainterativa.files.wordpress.com/2009/03/dodo.jpg?w=212&amp;amp;h=300" alt="V0020723 A dodo. Etching by J. Le Keux." width="212" height="300" /&gt;&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;span style="color: rgb(102, 102, 204);font-size:100%;" &gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Reflexão: &lt;/span&gt;&lt;/span&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;A extinção é um fenómeno natural em que uma espécie ou um grupo de espécies desaparece e ocorre devido à pressões ou modificações ambientais. Existem extinções em massa em que diversas espécies desaparecem em um curto período de tempo - como por exemplo, a ocorrida há mais ou menos 65,5 milhões de anos que eliminou os dinossauros. Apesar de ser um evento natural, muitas espécies já desapareceram como resultado da acção directa ou indirecta dos seres humanos. Temos de parar para pensar nos animais, porque eles são importantes e indispensáveis ao bem estar do Homem.&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;span style="color: rgb(0, 0, 0); font-family: times new roman;"&gt;Fonte: http://en.wikipedia.org/wiki/Dodo&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-5864668972198588426?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/5864668972198588426/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/extincao-o-fim-da-especie.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5864668972198588426'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/5864668972198588426'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/extincao-o-fim-da-especie.html' title='Extinção: O fim da espécie'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-8818908385015710486</id><published>2009-03-23T15:30:00.000-07:00</published><updated>2009-03-23T16:08:19.902-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Aulas Práticas'/><title type='text'>Biologia#5</title><content type='html'>&lt;div style="text-align: justify;"&gt;&lt;span style="font-family: times new roman;font-size:100%;" &gt;A finalização da apresentação dos trabalhos sobre a biodiversidade portuguesa foi concluída no dia 17 de Março, concluindo também os relatórios pendentes das actividades laboratoriais anteriores. Com os trabalhos realizados pela turma devemos ter em atenção as espécies portuguesas, e não só, pois contribuem para a biodiversidade das espécies, não só para contributos a nível da medicina e estudos.&lt;/span&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: center; font-family: times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;br /&gt;&lt;/span&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://4.bp.blogspot.com/_2iN4S-tiKt0/ScgWSaZ0dYI/AAAAAAAAAhw/0z-W0_e3ic4/s1600-h/biodiversidade.jpg"&gt;&lt;img style="cursor: pointer; width: 400px; height: 400px;" src="http://4.bp.blogspot.com/_2iN4S-tiKt0/ScgWSaZ0dYI/AAAAAAAAAhw/0z-W0_e3ic4/s400/biodiversidade.jpg" alt="" id="BLOGGER_PHOTO_ID_5316523865691944322" border="0" /&gt;&lt;/a&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-8818908385015710486?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/8818908385015710486/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/biologia5.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8818908385015710486'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/8818908385015710486'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/biologia5.html' title='Biologia#5'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://4.bp.blogspot.com/_2iN4S-tiKt0/ScgWSaZ0dYI/AAAAAAAAAhw/0z-W0_e3ic4/s72-c/biodiversidade.jpg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-4880612097601766317</id><published>2009-03-23T15:17:00.001-07:00</published><updated>2009-03-23T15:30:01.838-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Aulas Práticas'/><title type='text'>Biologia#4</title><content type='html'>&lt;div style="text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_2iN4S-tiKt0/ScgMfUEmxGI/AAAAAAAAAho/8EptQP7VHGA/s1600-h/ergolgi.jpeg"&gt;&lt;img style="cursor: pointer; width: 400px; height: 348px;" src="http://2.bp.blogspot.com/_2iN4S-tiKt0/ScgMfUEmxGI/AAAAAAAAAho/8EptQP7VHGA/s400/ergolgi.jpeg" alt="" id="BLOGGER_PHOTO_ID_5316513092214375522" border="0" /&gt;&lt;/a&gt;&lt;br /&gt;&lt;/div&gt;&lt;div style="text-align: justify;"&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;No passado dia 10 de Março de 2009, no laboratório de Biologia, nos primeiros 45 minutos da aula, aprendemos o que era o sistema endomenbranar e como se podia relacionar com a célula. O sistema endomenbranar é um sistema de membranas, constituído pela membrana de invólucro nuclear, retículo endoplasmático e complexo de Golgi, funcionando como uma unidade. No restantes 90 mintuos da aula foi a apresentação dos trabalhos sobre a biodiversidade Portuguesa.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;br /&gt;&lt;br /&gt;&lt;/div&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-4880612097601766317?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/4880612097601766317/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/biologia4.html#comment-form' title='0 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4880612097601766317'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/4880612097601766317'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/biologia4.html' title='Biologia#4'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://2.bp.blogspot.com/_2iN4S-tiKt0/ScgMfUEmxGI/AAAAAAAAAho/8EptQP7VHGA/s72-c/ergolgi.jpeg' height='72' width='72'/><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-6922094412179240723.post-1815551191902582170</id><published>2009-03-23T14:28:00.000-07:00</published><updated>2009-03-23T14:49:28.527-07:00</updated><category scheme='http://www.blogger.com/atom/ns#' term='Constituintes básicos'/><title type='text'>Prótidos</title><content type='html'>&lt;meta equiv="Content-Type" content="text/html; 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     &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;Oligopéptidos – têm entre 2 e 10 aminoácidos na sua constituição&lt;/span&gt;.&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify; font-family: georgia;"&gt;  &lt;/div&gt;&lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt; text-align: justify;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;2)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Polipéptidos – têm entre 11 e 99 aminoácidos na sua constituição.&lt;/span&gt;&lt;/p&gt;&lt;div style="text-align: justify; font-family: georgia;"&gt;  &lt;/div&gt;&lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt; text-align: justify;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;3)&lt;span style=""&gt; 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 &lt;p class="MsoNormal"  style="font-family:georgia;"&gt;&lt;span style="font-size:100%;"&gt;&lt;o:p&gt; &lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 21pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;1)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;!--[if gte vml 1]&gt;&lt;v:shapetype id="_x0000_t75" coordsize="21600,21600" spt="75" preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f"&gt;  &lt;v:stroke joinstyle="miter"&gt;  &lt;v:formulas&gt;   &lt;v:f eqn="if lineDrawn pixelLineWidth 0"&gt;   &lt;v:f eqn="sum @0 1 0"&gt;   &lt;v:f eqn="sum 0 0 @1"&gt;   &lt;v:f eqn="prod @2 1 2"&gt;   &lt;v:f eqn="prod @3 21600 pixelWidth"&gt;   &lt;v:f eqn="prod @3 21600 pixelHeight"&gt;   &lt;v:f eqn="sum @0 0 1"&gt;   &lt;v:f eqn="prod @6 1 2"&gt;   &lt;v:f eqn="prod @7 21600 pixelWidth"&gt;   &lt;v:f eqn="sum @8 21600 0"&gt;   &lt;v:f eqn="prod @7 21600 pixelHeight"&gt;   &lt;v:f eqn="sum @10 21600 0"&gt;  &lt;/v:formulas&gt;  &lt;v:path extrusionok="f" gradientshapeok="t" connecttype="rect"&gt;  &lt;o:lock ext="edit" aspectratio="t"&gt; &lt;/v:shapetype&gt;&lt;v:shape id="_x0000_s1026" type="#_x0000_t75" style="'position:absolute;"&gt;  &lt;v:imagedata src="file:///c:\dat\_sys\S@NDR@~1\DEFINI~1\Temp\msohtmlclip1\01\clip_image001.jpg" title="Imagem1"&gt;  &lt;w:wrap type="square"&gt; &lt;/v:shape&gt;&lt;![endif]--&gt;&lt;!--[if !vml]--&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Primárias – têm apenas ligações peptídicas entre os aminoácidos. Apresentam-se sob a forma de uma cadeia linear.&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 21pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;2)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Secundárias – têm ligações peptídicas e pontes de hidrogénio na sua estrutura. Apresentam forma de folha &lt;/span&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;β&lt;/span&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt; pregueada ou de hélice.&lt;/span&gt;&lt;/p&gt;    &lt;p class="MsoNormal"  style="margin-left: 21pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;3)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Terciárias – têm estrutura globula&lt;/span&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;r. Têm ligações peptídicas, pontes de hidrogénio e ligações dissulfito.&lt;/span&gt;&lt;/p&gt;    &lt;p class="MsoNormal"  style="margin-left: 21pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;4)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style="font-size:100%;"&gt;&lt;span style="font-family:times new roman;"&gt;Quaternárias – têm estrutura globular. Formam-se a partir de várias terciárias. 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	mso-para-margin-bottom:.0001pt; 	mso-pagination:widow-orphan; 	font-size:10.0pt; 	font-family:"Times New Roman","serif";} &lt;/style&gt; &lt;![endif]--&gt;  &lt;/p&gt;&lt;p  style="font-weight: bold;font-family:times new roman;" class="MsoNormal"&gt;&lt;span style="font-size:100%;"&gt;Funções Gerais dos Prótidos:&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="font-family:times new roman;"&gt;&lt;span style="font-size:100%;"&gt;&lt;o:p&gt; &lt;/o:p&gt;&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;1)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Função Estrutural&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;2)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Função Enzimática&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;3)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Função Hormonal&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;4)&lt;span style=""&gt; &lt;span style="font-family:times new roman;"&gt;     &lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Função de Transporte&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;5)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Função de Defesa&lt;/span&gt;&lt;/p&gt;  &lt;p class="MsoNormal"  style="margin-left: 36pt; text-indent: -18pt;font-family:georgia;"&gt;&lt;!--[if !supportLists]--&gt;&lt;span style="font-size:100%;"&gt;6)&lt;span style=""&gt;      &lt;/span&gt;&lt;/span&gt;&lt;!--[endif]--&gt;&lt;span style=";font-family:times new roman;font-size:100%;"  &gt;Função Motora&lt;/span&gt;&lt;/p&gt;&lt;p class="MsoNormal" face="georgia" style="margin-left: 36pt; text-indent: -18pt;"&gt;&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal" face="georgia" style="margin-left: 36pt; text-indent: -18pt; text-align: center;"&gt;&lt;a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://3.bp.blogspot.com/_2iN4S-tiKt0/ScgDgO4UT5I/AAAAAAAAAhY/ZE3J1FOwtuk/s1600-h/gf.jpg"&gt;&lt;img style="cursor: pointer; width: 291px; height: 232px;" src="http://3.bp.blogspot.com/_2iN4S-tiKt0/ScgDgO4UT5I/AAAAAAAAAhY/ZE3J1FOwtuk/s400/gf.jpg" alt="" id="BLOGGER_PHOTO_ID_5316503212395876242" border="0" /&gt;&lt;/a&gt;&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 36pt; text-indent: -18pt;"&gt;&lt;br /&gt;&lt;/p&gt;&lt;p class="MsoNormal" style="margin-left: 36pt; text-indent: -18pt;"&gt;&lt;/p&gt;&lt;p&gt;&lt;/p&gt;  &lt;p&gt;&lt;/p&gt;  &lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/6922094412179240723-1815551191902582170?l=lu-biogeo10.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='replies' type='application/atom+xml' href='http://lu-biogeo10.blogspot.com/feeds/1815551191902582170/comments/default' title='Enviar comentários'/><link rel='replies' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/protidos.html#comment-form' title='1 Comentários'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1815551191902582170'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/6922094412179240723/posts/default/1815551191902582170'/><link rel='alternate' type='text/html' href='http://lu-biogeo10.blogspot.com/2009/03/protidos.html' title='Prótidos'/><author><name>LucieCunha</name><uri>http://www.blogger.com/profile/08672797359273656291</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><media:thumbnail xmlns:media='http://search.yahoo.com/mrss/' url='http://3.bp.blogspot.com/_2iN4S-tiKt0/ScgDgO4UT5I/AAAAAAAAAhY/ZE3J1FOwtuk/s72-c/gf.jpg' height='72' width='72'/><thr:total>1</thr:total></entry></feed>
