{"id":90465,"date":"2023-04-30T07:00:00","date_gmt":"2023-04-30T10:00:00","guid":{"rendered":"https:\/\/vestibulares.estrategia.com\/portal\/?p=90465"},"modified":"2023-05-03T14:26:01","modified_gmt":"2023-05-03T17:26:01","slug":"mitose","status":"publish","type":"post","link":"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/mitose\/","title":{"rendered":"Mitose: o que \u00e9, fases e caracter\u00edsticas"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A <span id=\"urn:enhancement-a623018a-e2e4-453a-96a3-de05a5631e43\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span> &eacute; um processo de <span id=\"urn:enhancement-e214dcc1-d2a3-439a-bf24-7592593b3e4c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/divisao-celular\">divis&atilde;o celular<\/span>, a principal <span id=\"urn:enhancement-27c76b55-e7d9-433c-b965-7ade9c196058\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/geometria\">forma<\/span> de manuten&ccedil;&atilde;o do nosso corpo. &Eacute; por meio dela, por exemplo, que nossa pele se renova diariamente para manter sua integridade e sobreviver &agrave;s pequenas agress&otilde;es que acontecem.&nbsp;<p class=\"wp-block-paragraph\">O processo mit&oacute;tico por completo pode ser dividido em diferentes fases, que levam em considera&ccedil;&atilde;o as altera&ccedil;&otilde;es que ocorrem no citoplasma, organelas e material gen&eacute;tico da c&eacute;lula. Neste artigo, voc&ecirc; pode conhecer a <span id=\"urn:enhancement-0e1bfd25-3ea9-4e5d-bb32-14523a36b27f\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span>, as fases e as caracter&iacute;sticas dessa <span id=\"urn:enhancement-e31c831a-c282-4be0-9d37-53b9551cd036\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/divisao-celular\">divis&atilde;o celular<\/span> equitativa.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">Navegue pelo conte\u00fado<\/p>\n<\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/mitose\/#O-que-e-mitose\" >O que &eacute; mitose?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/mitose\/#Fases-da-mitose\" >Fases da mitose<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/mitose\/#Questao-sobre-mitose\" >Quest&atilde;o sobre mitose<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/mitose\/#Estude-para-o-Enem-com-a-Coruja\" >Estude para o Enem com a Coruja!<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-o-que-e-mitose\"><span class=\"ez-toc-section\" id=\"O-que-e-mitose\"><\/span>O que &eacute; mitose?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\"><span id=\"urn:enhancement-2fcd8d71-f1e2-4d12-a063-5c7a9d9fdecf\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">Mitose<\/span> &eacute; a divis&atilde;o de uma c&eacute;lula, em termos de citoplasma, n&uacute;cleo e organelas. Mas, ao final do processo, a c&eacute;lula nova ser&aacute; igual &agrave; c&eacute;lula original. Isso acontece porque todos os conte&uacute;dos da primeira c&eacute;lula s&atilde;o multiplicados e depois divididos em duas <span id=\"urn:enhancement-78e0e824-9eaf-441c-98f1-cefc0416cbeb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> filhas.&nbsp;<\/p><p class=\"wp-block-paragraph\">Esse mecanismo acontece apenas em <span id=\"urn:enhancement-926c6536-57e2-43f8-8adc-c8952ff46e15\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> <span id=\"urn:enhancement-2f84a1d1-3ae3-4ecf-96ad-5fe8f4c8e543\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/eucariontes\">eucariontes<\/span>, que possuem n&uacute;cleo organizado com <span id=\"urn:enhancement-4ab570eb-691d-4ef4-b12e-52f8751698fd\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/carioteca\">carioteca<\/span>, membrana plasm&aacute;tica, organelas membranosas, material gen&eacute;tico (que pode ser <span id=\"urn:enhancement-cf7af6b4-9103-492f-9661-c441b703d8aa\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> ou DNA), al&eacute;m de outros componentes.&nbsp;<\/p><p class=\"wp-block-paragraph\">&Eacute; um dos processos mais importantes para a sobreviv&ecirc;ncia dos <span id=\"urn:enhancement-b72132fc-6443-419c-87b1-5928cfb28d45\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">seres vivos<\/span>. Por exemplo, a <span id=\"urn:enhancement-517b568d-c1a3-4b70-9a1a-53002e46c696\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span> permite que os tecidos sejam reconstitu&iacute;dos depois de cortes e les&otilde;es, com a forma&ccedil;&atilde;o de diversas <span id=\"urn:enhancement-b0be511b-c0b0-4a80-87ff-395c694028e5\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> filhas para suprir a necessidade observada naquele <span id=\"urn:enhancement-dee7f688-6540-468e-bb1a-9689ba63360a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">organismo<\/span>.&nbsp;<\/p><p class=\"wp-block-paragraph\">Nos seres humanos e outras esp&eacute;cies que fazem <span id=\"urn:enhancement-cc6616a8-abd5-4b69-8b90-0723a71303b0\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/reproducao-sexuada\">reprodu&ccedil;&atilde;o sexuada<\/span>, a <span id=\"urn:enhancement-4fc30f77-b838-4e18-a587-e7d6d7a993d4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span> n&atilde;o participa do processo de forma&ccedil;&atilde;o dos gametas. Mas em <span id=\"urn:enhancement-76ff6232-93d8-46a6-bca2-cda5cd8d5278\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">seres vivos<\/span> unicelulares que se reproduzem pela divis&atilde;o de <span id=\"urn:enhancement-02c8a603-a105-4c79-8ed6-a8cfd15fc16b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span>, a <span id=\"urn:enhancement-2cb28d5e-5dd2-49df-b5bf-e2ab95d42752\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span> &eacute; a <span id=\"urn:enhancement-e549fff0-e7c6-45cc-94b0-2bd67763bd42\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/geometria\">forma<\/span> mais tradicional de perpetua&ccedil;&atilde;o da esp&eacute;cie.<\/p><h2 class=\"wp-block-heading\" id=\"h-fases-da-mitose\"><span class=\"ez-toc-section\" id=\"Fases-da-mitose\"><\/span>Fases da mitose<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Ao estudar com mais afinco a <span id=\"urn:enhancement-c594ae13-74d5-44cd-a0ff-afb3a48518c8\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span>, os bi&oacute;logos observaram que ela acontece em etapas. Os crit&eacute;rios utilizados para a divis&atilde;o do processo mit&oacute;tico em diferentes fases s&atilde;o baseados no comportamento do citoplasma, n&uacute;cleo, material gen&eacute;tico e organelas em determinada parte do mecanismo.<\/p><p class=\"wp-block-paragraph\">S&atilde;o descritas quatro fases principais da <a href=\"https:\/\/www.youtube.com\/watch?v=b5R6_67u3ks&amp;pp=ygUgZGl2aXPDo28gY2VsdWxhciBlc3RyYXRlZ2lhIHZlc3Q%3D\" target=\"_blank\">divis&atilde;o celular<\/a>: pr&oacute;fase, <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/metafase\/\" target=\"_blank\">met&aacute;fase<\/a>, <span id=\"urn:enhancement-6e2bbbcb-dcdf-4ac5-9112-ebe6a4b1e6a0\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/anafase\">an&aacute;fase<\/span> e tel&oacute;fase. Depois de conclu&iacute;da, &eacute; formada a c&eacute;lula filha que entra em um <span id=\"urn:enhancement-39fc9298-c2d9-4358-b832-b4740088ea65\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ciclo-celular\">ciclo celular<\/span>, na fase de <span id=\"urn:enhancement-7ad4a7e2-9098-449c-a657-70d5ff436285\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/interfase\">int&eacute;rfase<\/span> &mdash; quando ela n&atilde;o est&aacute; em divis&atilde;o citoplasm&aacute;tica, e atua simplesmente para cumprir sua fun&ccedil;&atilde;o no <span id=\"urn:enhancement-e6108e02-6f15-4673-a014-0f8ca10129f7\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">organismo<\/span>, por exemplo a produ&ccedil;&atilde;o de col&aacute;geno pelos fibroblastos.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-interfase\">Int&eacute;rfase<\/h3><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"357\" height=\"348\" src=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2023\/04\/image-27.png\" alt=\"ciclo celular\" class=\"wp-image-90471\"><figcaption class=\"wp-element-caption\">Imagem: Reprodu&ccedil;&atilde;o\/Wikimedia<\/figcaption><\/figure>\n<\/div><p class=\"wp-block-paragraph\">A <span id=\"urn:enhancement-ec3040ff-a5c6-4c48-93b5-5b5975b7467d\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/interfase\">interfase<\/span> pode ser definida como o per&iacute;odo entre duas divis&otilde;es celulares, como se fosse um intervalo. Nesse momento, a principal atividade da c&eacute;lula &eacute; cumprir a fun&ccedil;&atilde;o para que foi formada, na subfase chamada de G1.&nbsp;<\/p><p class=\"wp-block-paragraph\">Em G1, a c&eacute;lula faz a transcri&ccedil;&atilde;o de <span id=\"urn:enhancement-33738419-fc68-478d-929d-f629c0c2b6a3\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> para formar <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/proteinas\/\" target=\"_blank\">prote&iacute;nas<\/a>, que s&atilde;o constitutivas de tecido ou fazem parte do metabolismo celular e corporal. Por exemplo, h&aacute; forma&ccedil;&atilde;o de prote&iacute;nas que fazem a sinaliza&ccedil;&atilde;o de como est&aacute; o <span id=\"urn:enhancement-4d398c93-676b-40e1-8cf1-f6de9ea482b1\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">organismo<\/span> para dentro de uma c&eacute;lula. Ou ainda, constitui&ccedil;&atilde;o de mol&eacute;culas proteicas como a <span id=\"urn:enhancement-29f54a80-5081-4fed-ba07-b959d5670547\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hemoglobina\">hemoglobina<\/span>, que tem a fun&ccedil;&atilde;o de transportar oxig&ecirc;nio pelo corpo humano.<\/p><p class=\"wp-block-paragraph\">Em um dado momento, os sinais do <span id=\"urn:enhancement-256bb267-6bf7-4c5f-8e5e-11a66b6e75c4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">organismo<\/span> indicam que aquela c&eacute;lula deve entrar em um processo de <span id=\"urn:enhancement-829ca421-4c34-4eba-90b5-50895803f6da\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span>. Ent&atilde;o, &eacute; necess&aacute;rio que a c&eacute;lula se prepare e sintetize materiais para que a <span id=\"urn:enhancement-836ea741-1325-44c5-b098-17c770d633ab\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span> ocorra perfeitamente, formando duas estruturas id&ecirc;nticas a si mesma no final do processo.&nbsp;<\/p><p class=\"wp-block-paragraph\">Chega-se, portanto, &agrave; subfase S da <span id=\"urn:enhancement-4ec08772-5c23-43ff-8e48-4376fa815893\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/interfase\">int&eacute;rfase<\/span>, quando o material gen&eacute;tico da c&eacute;lula &eacute; duplicado e os centr&iacute;olos tamb&eacute;m. Essa organela ser&aacute; importante para a separa&ccedil;&atilde;o desses cromossomos em dois citoplasmas, mais adiante no processo mit&oacute;tico.<\/p><p class=\"wp-block-paragraph\">Depois, inicia-se a subfase G2, quando a pr&oacute;pria c&eacute;lula monitora seu funcionamento e avalia se os cromossomos se multiplicaram corretamente. Se tudo ocorreu bem, ela tamb&eacute;m aumenta em tamanho, para que possa come&ccedil;ar a pr&oacute;xima fase.&nbsp;<\/p><p class=\"wp-block-paragraph\">Algumas <span id=\"urn:enhancement-427c53f2-2d97-42f8-987d-2fe883b69b17\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> nunca passar&atilde;o pelo processo de <span id=\"urn:enhancement-f076b4c8-c375-4983-87f1-591951f55301\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span>, porque s&atilde;o essencialmente &uacute;nicas &mdash; grande parte dos neur&ocirc;nios funcionam assim, por isso os danos nervosos s&atilde;o quase sempre irrevers&iacute;veis. Nesse caso, o metabolismo celular fica na subfase G0 e nunca sai da <span id=\"urn:enhancement-e3e7e3fd-fd00-443a-8ed1-5d6c4c450115\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/interfase\">int&eacute;rfase<\/span>.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-profase\">Pr&oacute;fase<\/h3><p class=\"wp-block-paragraph\">Trata-se da fase mais longa da <span id=\"urn:enhancement-8b519fd8-64bc-4d31-b70b-88b1b36bfa88\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span>, quando toda a estrutura se prepara para a divis&atilde;o que est&aacute; por vir. &Eacute; necess&aacute;rio que o n&uacute;cleo esteja desorganizado e seu envolt&oacute;rio seja aberto, para que o material gen&eacute;tico seja acessado com maior facilidade pelas organelas que concluir&atilde;o a separa&ccedil;&atilde;o dos cromossomos.&nbsp;<\/p><p class=\"wp-block-paragraph\">Nesse sentido, o DNA que foi multiplicado durante a <span id=\"urn:enhancement-09473c42-5250-4bcc-ad07-78b61285f7b3\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/fase-s\">fase S<\/span> da <span id=\"urn:enhancement-504326ab-7ea4-4eb0-a13b-0ffa3e38f187\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/interfase\">int&eacute;rfase<\/span> precisa passar por uma condensa&ccedil;&atilde;o. Afinal, quanto menor a mol&eacute;cula, mais f&aacute;cil ser&aacute; a sua segrega&ccedil;&atilde;o entre as <span id=\"urn:enhancement-195bcf84-1c51-416e-a0a9-b09e30d8d9f1\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> filhas.<\/p><p class=\"wp-block-paragraph\">Algumas organelas da c&eacute;lula formam ves&iacute;culas dentro do citoplasma, elas ficam armazenadas ali para serem separadas entre os citoplasmas. Os centr&iacute;olos, por sua vez, est&atilde;o duplicados e se localizam em polos opostos, de <span id=\"urn:enhancement-d6a9b487-ee00-444d-b9bb-2eb6dc88803d\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/geometria\">forma<\/span> que possam puxar o material gen&eacute;tico em duas por&ccedil;&otilde;es distintas, na pr&oacute;xima fase. Para isso, formam-se microt&uacute;bulos formados por prote&iacute;nas que podem se alongar para &ldquo;captar&rdquo; os cromossomos, como veremos adiante.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-metafase\">Met&aacute;fase<\/h3><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"676\" height=\"432\" src=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2023\/04\/image-28.png\" alt=\"met&aacute;fase da mitose\" class=\"wp-image-90472\"><figcaption class=\"wp-element-caption\">Imagem: Reprodu&ccedil;&atilde;o\/Wikimedia<\/figcaption><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Agora que toda a c&eacute;lula e seus componentes est&atilde;o preparados para a divis&atilde;o do material gen&eacute;tico, &eacute; importante que os cromossomos condensados e compactados sejam localizados exatamente no meio da c&eacute;lula, regi&atilde;o tamb&eacute;m chamada de polo equatorial.&nbsp;<\/p><p class=\"wp-block-paragraph\">Ao microsc&oacute;pio eletr&ocirc;nico &eacute; poss&iacute;vel observar que cada cromossomo possui duas crom&aacute;tides, ou seja, formam um X. Os microt&uacute;bulos come&ccedil;am a se relacionar com essas <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/cromatides\/\" target=\"_blank\">crom&aacute;tides<\/a>, em uma estrutura chamada de cinetocoro.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-anafase\">An&aacute;fase<\/h3><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2023\/04\/image-26.png\" alt=\"an&aacute;fase\" class=\"wp-image-90469\" width=\"397\" height=\"241\"><figcaption class=\"wp-element-caption\">Imagem: Reprodu&ccedil;&atilde;o\/Wikimedia<\/figcaption><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Com tudo pronto e os microt&uacute;bulos bem prendidos &agrave;s crom&aacute;tides, finalmente, os cromossomos ser&atilde;o divididos em duas partes diferentes &mdash; as fibras que prendem o material gen&eacute;tico encolhem, como que puxando-o. Ent&atilde;o, cada crom&aacute;tide do cromossomo se direciona para um polo da c&eacute;lula.<\/p><h3 class=\"wp-block-heading\" id=\"h-telofase\">Tel&oacute;fase<\/h3><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2023\/04\/image-25.png\" alt=\"fim da t&eacute;lofase, na mitose\" class=\"wp-image-90467\" width=\"538\" height=\"176\"><figcaption class=\"wp-element-caption\">Imagem: Reprodu&ccedil;&atilde;o\/Wikimedia<\/figcaption><\/figure>\n<\/div><p class=\"wp-block-paragraph\">Com o material gen&eacute;tico j&aacute; corretamente dividido, a c&eacute;lula come&ccedil;a a restituir membranas, organelas e o envolt&oacute;rio nuclear para cada um dos polos. Ao mesmo tempo, ocorre a divis&atilde;o citoplasm&aacute;tica (<span id=\"urn:enhancement-a4a88bf7-69f9-4df4-aef1-541351af098b\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/citocinese\">citocinese<\/span>), que d&aacute; origem &agrave;s duas <span id=\"urn:enhancement-83ec8508-5216-461b-912c-d4b85fd6eca4\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> filhas &uacute;nicas e exatamente iguais &agrave; estrutura celular original.<\/p><h2 class=\"wp-block-heading\" id=\"h-questao-sobre-mitose\"><span class=\"ez-toc-section\" id=\"Questao-sobre-mitose\"><\/span>Quest&atilde;o sobre mitose<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">(UFSM-RS\/2016) Um bioqu&iacute;mico mediu a quantidade de DNA em <span id=\"urn:enhancement-c64070e3-eb5f-4a5c-9518-38c19cac27b7\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> cultivadas em laborat&oacute;rio e verificou que a quantidade de DNA na c&eacute;lula duplicou:<\/p><p class=\"wp-block-paragraph\"><strong>a) entre as fases G1 e G2 do <span id=\"urn:enhancement-2d89b211-5346-4054-96bd-17225712761c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ciclo-celular\">ciclo celular<\/span>.<\/strong><br>b) entre a <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/profase\/\" target=\"_blank\">pr&oacute;fase <\/a>e a <span id=\"urn:enhancement-92ca2d3e-d47c-4a44-8f6f-b4fa7dd93d19\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/anafase\">an&aacute;fase<\/span> da <span id=\"urn:enhancement-206c62ee-0444-4c70-a535-6d5aefd49d79\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span>.<br>c) durante a <span id=\"urn:enhancement-4e24eb0b-fc5b-4e32-a57a-5390daf2c5df\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/metafase\">met&aacute;fase<\/span> do <span id=\"urn:enhancement-8ec702e9-f6ba-4a30-8c06-c7d3930769bb\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ciclo-celular\">ciclo celular<\/span>.<br>d) entre a pr&oacute;fase I e a pr&oacute;fase II da meiose.<br>e) entre a <span id=\"urn:enhancement-3e2e62c3-0f2e-417a-91d1-b188822796c7\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/anafase\">an&aacute;fase<\/span> e a tel&oacute;fase da <span id=\"urn:enhancement-1ee01ce0-112b-4d7b-9e8d-a157a8a5d76c\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitose\">mitose<\/span>.<\/p><h2 class=\"wp-block-heading\" id=\"h-estude-para-o-enem-com-a-coruja\"><span class=\"ez-toc-section\" id=\"Estude-para-o-Enem-com-a-Coruja\"><\/span>Estude para o Enem com a Coruja!<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Estudar a vida biol&oacute;gica, todas as suas caracter&iacute;sticas em cada filo animal e <span id=\"urn:enhancement-388005c6-46e1-487a-a129-b7c26e5db0a2\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/vegetal\">vegetal<\/span> e como eles se desenvolveram evolutivamente, como suas <span id=\"urn:enhancement-ac9f465f-0de1-4bbf-9206-6f432d2ecd24\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> se relacionam e quais s&atilde;o os processos macro e microsc&oacute;picos garantem a vida &eacute; essencial para um boa prova na &aacute;rea das <span id=\"urn:enhancement-43713b8f-27b8-4762-a203-ddca167b2df4\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/ciencias-da-natureza\">ci&ecirc;ncias da natureza<\/span>. Assim como entender bem <span id=\"urn:enhancement-672834ff-7601-4c20-9749-522c88f752e4\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/matematica\">matem&aacute;tica<\/span>, os princ&iacute;pios qu&iacute;micos e os f&iacute;sicos &eacute; determinante para a &aacute;rea de exatas e a literatura e interpreta&ccedil;&atilde;o textual, para linguagens e suas tecnologias.<\/p><p class=\"wp-block-paragraph\">Por saber de tudo isso, o <span id=\"urn:enhancement-c39e16c5-cf29-4512-8e58-84ccdb1d2abc\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/estrategia_vestibulares\">Estrat&eacute;gia Vestibulares<\/span> traz esse panorama e conte&uacute;dos nas disciplinas, em diferentes aulas, que te direcionam para a realiza&ccedil;&atilde;o de uma prova com maior embasamento te&oacute;rico e interpretativo. Clique no banner e conhe&ccedil;a mais vantagens dos cursos da Coruja!<\/p><p class=\"wp-block-paragraph\"><a id=\"cta\" class=\"cta-imagem\" href=\"https:\/\/vestibulares.estrategia.com\/cursos\/\" target=\"blank\">\n                <img decoding=\"async\" width=\"100%\" src=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2021\/12\/EV4.jpg\" alt=\"CTA - Estrat\u00e9gia Vestibulares 4\" title=\"CTA - Estrat\u00e9gia Vestibulares 4\">\n        <\/a>\n\n\n<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"A mitose &eacute; um processo de divis&atilde;o celular, a principal forma de manuten&ccedil;&atilde;o do nosso corpo. &Eacute; por&hellip;\n","protected":false},"author":23,"featured_media":90442,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-90465","post","type-post","status-publish","format-standard","has-post-thumbnail","category-biologia"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.9 (Yoast SEO v28.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mitose: o que \u00e9, fases e caracter\u00edsticas<\/title>\n<meta name=\"description\" content=\"A mitose \u00e9 um processo de divis\u00e3o celular, a principal forma de manuten\u00e7\u00e3o do nosso corpo. 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