{"id":51710,"date":"2021-06-29T11:08:00","date_gmt":"2021-06-29T14:08:00","guid":{"rendered":"https:\/\/blog.estrategiavestibulares.com.br\/?p=51710"},"modified":"2024-02-20T14:55:22","modified_gmt":"2024-02-20T17:55:22","slug":"dna-e-rna","status":"publish","type":"post","link":"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/dna-e-rna\/","title":{"rendered":"DNA e RNA: o que \u00e9, estruturas e fun\u00e7\u00f5es"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ter uma no&ccedil;&atilde;o b&aacute;sica sobre os princ&iacute;pios gen&eacute;ticos &eacute; essencial para a resolu&ccedil;&atilde;o de exerc&iacute;cios de vestibulares. Dessa <span id=\"urn:enhancement-109a005e-1ce1-4e54-93bd-e8690f48e3b9\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/geometria\">forma<\/span>, conhecer as estruturas do <span id=\"urn:enhancement-4c1e0fda-e3b5-462a-9f7a-ccd06d546bf9\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> e <span id=\"urn:enhancement-587b7037-b0f9-45e6-90c4-dc3b2f770a99\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> torna-se crucial para um bom desempenho nas provas nacionais.<p class=\"wp-block-paragraph\">Por isso, o <a href=\"http:\/\/estrategiavestibulares.com.br\/\" target=\"_blank\">Estrat&eacute;gia Vestibulares<\/a> preparou uma artigo com as principais informa&ccedil;&otilde;es sobre os <span id=\"urn:enhancement-74f2f719-3097-4aa0-99da-1289461c1d7f\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/acidos-nucleicos\">&aacute;cidos nucleicos<\/span>. Acompanhe!<\/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\/dna-e-rna\/#O-que-e-DNA\" >O que &eacute; DNA?<\/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\/dna-e-rna\/#O-que-e-RNA\" >O que &eacute; RNA?<\/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\/dna-e-rna\/#Qual-a-importancia-do-DNA-e-do-RNA\" >Qual a import&acirc;ncia do DNA e do RNA?<\/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\/dna-e-rna\/#Quais-sao-as-diferencas-entre-DNA-e-RNA\" >Quais s&atilde;o as diferen&ccedil;as entre DNA e RNA?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/dna-e-rna\/#Exercicio-de-DNA-e-RNA\" >Exerc&iacute;cio de DNA e RNA<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-o-que-e-dna\"><span class=\"ez-toc-section\" id=\"O-que-e-DNA\"><\/span>O que &eacute; DNA?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Em s&iacute;ntese, o <span id=\"urn:enhancement-b60e768d-e6aa-4c5d-b580-e95b95cf6cb3\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/acido\">&aacute;cido<\/span> desoxirribonucleico, chamado de <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/biologia\/como-responder-questoes-sobre-dna-na-prova-do-vestibular\/\" target=\"_blank\">DNA<\/a>, &eacute; uma mol&eacute;cula que carrega informa&ccedil;&otilde;es gen&eacute;ticas.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-qual-e-a-funcao-do-dna\">Qual &eacute; a fun&ccedil;&atilde;o do DNA?<\/h3><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-0d45d716-d783-4900-9b89-1d7cae7cdf60\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> armazena toda a informa&ccedil;&atilde;o <span id=\"urn:enhancement-b9050dc1-2f59-4fd9-a3db-ccb9dbaf5c33\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/genetica\">gen&eacute;tica<\/span> da c&eacute;lula. A partir dele, ser&atilde;o <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/biologia\/sintese-proteica\/\" target=\"_blank\">sintetizadas as prote&iacute;nas<\/a> necess&aacute;rias para o desenvolvimento e manuten&ccedil;&atilde;o do <span id=\"urn:enhancement-9f5d295a-e3bf-421d-8b49-b9e27958c2ec\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">organismo<\/span>. Assim, todas as caracter&iacute;sticas de um ser vivo s&atilde;o induzidas pelas mol&eacute;culas de &aacute;cidos desoxirribonucleicos.<\/p><p class=\"wp-block-paragraph\">As mol&eacute;culas de <span id=\"urn:enhancement-15716d80-3fd0-40e4-b6e2-aa0f0d6da75e\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> est&atilde;o presentes no n&uacute;cleo das <span id=\"urn:enhancement-58a9da59-0793-4745-b809-c7199b4ee703\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celulas\">c&eacute;lulas<\/span> <span id=\"urn:enhancement-44584f51-4b89-482f-93f8-5236b70247e7\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/eucariontes\">eucariontes<\/span>, em estruturas <span id=\"urn:enhancement-eafac3fb-acaa-4a55-ab4b-1d3ace6aa37f\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/procarionte\">procariontes<\/span>, nas <span id=\"urn:enhancement-688ac430-d588-46f6-9538-37ce4a26ee3f\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/mitocondrias\">mitoc&ocirc;ndrias<\/span>, nos cloroplastos, <span id=\"urn:enhancement-fe08da7c-e378-4efc-83cf-3c073d9ad20a\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/bacteria\">bact&eacute;rias<\/span> e alguns v&iacute;rus.&nbsp;<\/p><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-a8cbfa0f-852b-4c7a-9e12-9dedaa2ffaf0\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> cont&eacute;m os <strong>genes<\/strong>, que cont&eacute;m c&oacute;digos heredit&aacute;rios, os quais ser&atilde;o <strong>transcritos<\/strong> em mol&eacute;culas de <span id=\"urn:enhancement-dff67500-e72e-492b-98a0-ea04301d7ece\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span>. O <span id=\"urn:enhancement-e612224d-c7d6-4839-a2f6-40761c1d90e8\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span>, por sua vez, ser&aacute; respons&aacute;vel pela forma&ccedil;&atilde;o das <span id=\"urn:enhancement-e83d008b-a1f3-461c-9174-9e298a7c84fa\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proteinas\">prote&iacute;nas<\/span> por meio da tradu&ccedil;&atilde;o da informa&ccedil;&atilde;o <span id=\"urn:enhancement-d9f47310-d183-4f5c-909e-f18075bac3ad\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/genetica\">gen&eacute;tica<\/span>.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-quais-sao-as-caracteristicas-do-dna\">Quais s&atilde;o as caracter&iacute;sticas do DNA?<\/h3><p class=\"wp-block-paragraph\">Ele &eacute; composto por bases nitrogenadas, as quais s&atilde;o: adenina, citosina, guanina e timina. A base timina &eacute; exclusiva do <span id=\"urn:enhancement-5793800d-c2eb-4136-a221-5950263e44cd\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> e n&atilde;o estar&aacute; presente nos RNAs.<\/p><p class=\"wp-block-paragraph\">Al&eacute;m disso, existem as riboses desoxigenadas dos <span id=\"urn:enhancement-2c59a539-5391-4d45-a291-ab67592ff57f\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> (ou desoxirriboses), que s&atilde;o a&ccedil;&uacute;cares que cont&ecirc;m 5 carbonos, e o radical de <span id=\"urn:enhancement-25c9ac0a-cb05-4dc4-972e-10ab7b1102d9\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/acido\">&aacute;cido<\/span> fosf&oacute;rico.&nbsp;<\/p><p class=\"wp-block-paragraph\">A intera&ccedil;&atilde;o das bases ocorre por meio de pontes de <span id=\"urn:enhancement-80e4419b-b1b4-4fee-8f21-9406c212fa43\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/hidrogenio\">hidrog&ecirc;nio<\/span>, que se ligam da seguinte <span id=\"urn:enhancement-dfdd7662-9788-4915-95cc-662d91dea164\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/geometria\">forma<\/span>: adenina + timina e citosina + guanina. Ele &eacute; arranjado conforme a a&ccedil;&atilde;o de <span id=\"urn:enhancement-71fd53d5-8fbb-4ae8-a798-b6e9f9c587d3\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proteinas\">prote&iacute;nas<\/span> e outras mol&eacute;culas, por isso constr&oacute;i uma h&eacute;lice com duas fitas de nucleot&iacute;deos.<\/p><p class=\"wp-block-paragraph\">Essas organiza&ccedil;&otilde;es permitem a compacta&ccedil;&atilde;o do <span id=\"urn:enhancement-52d9fcec-0dd0-4a3a-a673-d01135a69514\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> para que se localize no n&uacute;cleo das <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/biologia\/celulas\/\" target=\"_blank\">c&eacute;lulas<\/a>.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-conceitos-importantes-sobre-dna\">Conceitos Importantes sobre DNA<\/h3><p class=\"wp-block-paragraph\">Conhe&ccedil;a, tamb&eacute;m, algumas defini&ccedil;&otilde;es relevantes no estudo do <span id=\"urn:enhancement-e4b7daec-91ad-40ca-9314-83cd3a97e63e\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span>:<\/p><ul class=\"wp-block-list\">\n<li>As mol&eacute;culas de DNA formam sequ&ecirc;ncias compactadas em <strong>cromossomos. <\/strong>Esses cromossomos apresentam um padr&atilde;o para cada esp&eacute;cie e a varia&ccedil;&atilde;o em seu n&uacute;mero pode resultar em anormalidades <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/biologia\/genotipo-e-fenotipo\/\" target=\"_blank\">fenot&iacute;picas<\/a>.<\/li>\n\n\n\n<li>O mapa de todos os conjuntos cromoss&ocirc;micos de uma esp&eacute;cie &eacute; chamado de <strong>genoma.&nbsp;<\/strong><\/li>\n\n\n\n<li><strong>Cromatina <\/strong>&eacute; a forma como o DNA se disp&otilde;e dentro do <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/biologia\/nucleo-celular\/\" target=\"_blank\">n&uacute;cleo celular<\/a>, podendo ser chamada de heterocromatina (quando muito condensada) ou eucromatina (se estiver mais frouxa).<\/li>\n<\/ul><figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"cs-embed cs-embed-responsive\"><iframe title=\"Biologia para Vestibulares: Gen&eacute;tica I - Prof. Carol Negrin\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/iOaApVlsHsk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure><h2 class=\"wp-block-heading\" id=\"h-o-que-e-rna\"><span class=\"ez-toc-section\" id=\"O-que-e-RNA\"><\/span>O que &eacute; RNA?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-73c05941-31b5-4d34-ae09-aee36115e147\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> tamb&eacute;m &eacute; uma mol&eacute;cula de <span id=\"urn:enhancement-75b63121-36e7-465c-8456-e8a273b31d29\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/acido\">&aacute;cido<\/span> nucleico, composto de a&ccedil;&uacute;cares, bases nitrogenadas e fosfato. Entretanto sua estrutura apresenta algumas modifica&ccedil;&otilde;es quando comparada ao <span id=\"urn:enhancement-3a492f70-aaef-42d9-9d92-235ed64616d2\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span>.&nbsp;<\/p><h3 class=\"wp-block-heading\" id=\"h-qual-e-a-funcao-do-rna\">Qual &eacute; a fun&ccedil;&atilde;o do RNA?<\/h3><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-0d3d9e12-8ec9-4ba7-b99b-c0bead712d88\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/acido\">&aacute;cido<\/span> ribonucleico apresenta a fun&ccedil;&atilde;o geral de regular a transcri&ccedil;&atilde;o e tradu&ccedil;&atilde;o de genes nas <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/biologia\/celulas\/\" target=\"_blank\">c&eacute;lulas<\/a>, o que afeta diretamente a produ&ccedil;&atilde;o de <span id=\"urn:enhancement-41e67fbb-fe15-4648-96bb-1dd0da22402b\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proteinas\">prote&iacute;nas<\/span> e as caracter&iacute;sticas do <span id=\"urn:enhancement-073e2cf5-5929-4ee3-9e75-652426a77303\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">organismo<\/span>.<\/p><h3 class=\"wp-block-heading\" id=\"h-quais-sao-as-caracteristicas-do-rna\">Quais s&atilde;o as caracter&iacute;sticas do RNA?<\/h3><p class=\"wp-block-paragraph\">As mol&eacute;culas de <span id=\"urn:enhancement-dbaa00ba-f67f-4e36-8f78-df519a4fbca0\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> s&atilde;o compostas pelas bases nitrogenadas: adenina, citosina, guanina e <strong>uracila. <\/strong>Al&eacute;m disso, sua estrutura possui uma ribose (a&ccedil;&uacute;car) e um grupo fosfato, assim como o <span id=\"urn:enhancement-822e74c5-5ff0-4c3f-81f9-5f1196608f86\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span>.<\/p><p class=\"wp-block-paragraph\">O <span id=\"urn:enhancement-8f8c8a8b-df75-416c-8b4e-19f49c0e6a39\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> &eacute; constitu&iacute;do por uma fita &uacute;nica, ou fita simples, por isso n&atilde;o apresenta o formato helicoidal do <span id=\"urn:enhancement-936fde77-8d32-4b54-a4ce-7dd28a39c934\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span>.<br>Sabe-se que existem diversos tipos de <span id=\"urn:enhancement-72d2116c-5ac3-4463-ae7e-1858884fb7ff\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span>, mas os mais importantes s&atilde;o os <span id=\"urn:enhancement-8a042c71-bfd6-4ec8-aa62-d3b9db75e1f9\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> transportadores, <span id=\"urn:enhancement-89e5aa54-dd09-4f52-8326-7c3f5759c801\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> mensageiros e <span id=\"urn:enhancement-559785ab-9825-4077-b8d2-619494c6b38f\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> ribossomais.<\/p><h2 class=\"wp-block-heading\" id=\"h-qual-a-importancia-do-dna-e-do-rna\"><span class=\"ez-toc-section\" id=\"Qual-a-importancia-do-DNA-e-do-RNA\"><\/span>Qual a import&acirc;ncia do DNA e do RNA?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Os <span id=\"urn:enhancement-3a231037-4883-438e-882c-0c24c62af9fb\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/acidos-nucleicos\">&aacute;cidos nucleicos<\/span> <span id=\"urn:enhancement-2fad9a67-8e91-47e4-b43f-4116b2858e14\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> e <span id=\"urn:enhancement-b37be3ac-6579-4020-bf48-36a4119987f7\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span>&nbsp; s&atilde;o importantes no armazenamento, codifica&ccedil;&atilde;o e descodifica&ccedil;&atilde;o das informa&ccedil;&otilde;es gen&eacute;ticas &ndash; com isso ser&aacute; poss&iacute;vel a forma&ccedil;&atilde;o de <span id=\"urn:enhancement-9653e869-bc6e-4426-87e0-23593daaebcf\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proteinas\">prote&iacute;nas<\/span> e mol&eacute;culas essenciais para o metabolismo celular e corporal.<\/p><h2 class=\"wp-block-heading\" id=\"h-quais-sao-as-diferencas-entre-dna-e-rna\"><span class=\"ez-toc-section\" id=\"Quais-sao-as-diferencas-entre-DNA-e-RNA\"><\/span>Quais s&atilde;o as diferen&ccedil;as entre DNA e RNA?<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\">Veja uma tabela com as principais diferen&ccedil;as entre <span id=\"urn:enhancement-5bc90b90-14fe-4dfc-ba6c-83b5f8e49580\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> e <span id=\"urn:enhancement-8fbad449-9a99-4c29-ac19-0bbc3e8a71ac\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span>:<\/p><figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><span id=\"urn:enhancement-fcc54eba-d290-4229-9b92-2917e0940471\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span><\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><span id=\"urn:enhancement-e1d35500-3d15-41f7-9f8a-0dd99bb3e027\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span><\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Dupla-h&eacute;lice<\/td><td class=\"has-text-align-center\" data-align=\"center\">Simples fita<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Adenina, citosina, guanina e timina<\/td><td class=\"has-text-align-center\" data-align=\"center\">Adenina, citosina, guanina e uracila<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">A&ccedil;&uacute;car desoxirribose<\/td><td class=\"has-text-align-center\" data-align=\"center\">A&ccedil;&uacute;car ribose<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"h-exercicio-de-dna-e-rna\"><span class=\"ez-toc-section\" id=\"Exercicio-de-DNA-e-RNA\"><\/span>Exerc&iacute;cio de DNA e RNA<span class=\"ez-toc-section-end\"><\/span><\/h2><p class=\"wp-block-paragraph\"><strong><span id=\"urn:enhancement-08504204-0e97-4d2a-a2c3-9ca18e2bb3be\" class=\"textannotation disambiguated wl-organization\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/uece\">UECE<\/span> 2015<\/strong><\/p><p class=\"wp-block-paragraph\">Sobre os <span id=\"urn:enhancement-75a97fbe-61fa-4ae9-b9df-8c934d2f6725\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/acidos-nucleicos\">&aacute;cidos nucleicos<\/span> (<span id=\"urn:enhancement-eed12fbe-fad5-4692-b5be-5d8395f0b0f7\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> e <span id=\"urn:enhancement-79a4ac35-ac6c-41c4-9a9a-844b2168b2e0\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span>) &eacute; correto afirmar que<\/p><p class=\"wp-block-paragraph\"><strong>a)<\/strong> o <span id=\"urn:enhancement-3b130cc0-6543-443c-998c-1908dd7834ae\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> &eacute; formado por segmentos denominados genes, respons&aacute;veis pela produ&ccedil;&atilde;o de <span id=\"urn:enhancement-720c7752-cacb-411b-9e58-6120fac64174\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/proteinas\">prote&iacute;nas<\/span> nos <span id=\"urn:enhancement-42e4e075-30f8-472a-b599-0ca86a3a0ff2\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/organismos\">seres vivos<\/span>.<br><strong>b)<\/strong> o processo de produ&ccedil;&atilde;o de uma mol&eacute;cula de <span id=\"urn:enhancement-1a8fd6bf-d622-487c-a898-1749a2340921\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> a partir de uma mol&eacute;cula de <span id=\"urn:enhancement-4253c196-06a6-454e-aa5f-0b3d93a1c323\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> &eacute; chamado de tradu&ccedil;&atilde;o.<br><strong><span id=\"urn:enhancement-3e58b28d-dd8a-41dc-a515-d8a91fcd80a5\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">c<\/span>)<\/strong> <span id=\"urn:enhancement-fdc5ed28-25c9-43eb-b4b2-086857c6393d\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> &eacute; composto por uma desoxirribose e um grupo fosfato, sendo suas quatro bases nitrogenadas: adenina, citosina, guanina e timina.<br><strong>d)<\/strong> Dentre as bases nitrogenadas, a timina &eacute; exclusiva do <span id=\"urn:enhancement-dd5fd8d6-ea3f-4399-9fce-ab6a39a4e6f2\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span>.<\/p><p class=\"wp-block-paragraph\">A alternativa A est&aacute; incorreta porque <strong>os segmentos de <span id=\"urn:enhancement-21c1db79-b3f0-4ffd-8d4a-0197fa9b52f3\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> n&atilde;o s&atilde;o genes<\/strong>, na verdade s&atilde;o sequ&ecirc;ncias de nucleot&iacute;deos com capacidade de regular, expressar e\/ou codificar os genes.<br>A alternativa B &eacute; incorreta porque a produ&ccedil;&atilde;o de <span id=\"urn:enhancement-dcd1eff2-a321-4af0-bce4-02ab476e2c3e\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> a partir de uma mol&eacute;cula de <span id=\"urn:enhancement-3d8cf623-f843-4314-a947-d35f57e69970\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> &eacute; chamada de <strong>transcri&ccedil;&atilde;o<\/strong>.<br>A <strong>alternativa <span id=\"urn:enhancement-e667e6c3-e274-4b53-a8e2-791425439648\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/celsius\">C<\/span> &eacute; correta<\/strong> porque o <span id=\"urn:enhancement-1bccb9ef-48ba-4c74-a021-9b48a360cb79\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> &eacute; composto por uma desoxirribose com grupo fosfato, que cont&eacute;m as quatro bases nitrogenadas: adenina, citosina, guanina e timina.<br>A op&ccedil;&atilde;o D &eacute; errada pois a <strong>base exclusiva do <span id=\"urn:enhancement-e3a4a354-a4ad-4091-8b74-213563dbd44c\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/rna\">RNA<\/span> &eacute; a uracila,<\/strong> bem como<strong> a base exclusiva do <span id=\"urn:enhancement-664f6438-2344-409a-90ff-c5490546fe4b\" class=\"textannotation disambiguated wl-creative-work\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/dna\">DNA<\/span> &eacute; a timina.<\/strong><\/p><p class=\"wp-block-paragraph\">Gosta de <span id=\"urn:enhancement-fc5b5399-e477-4862-a07a-0da9dfc61634\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/biologia\">biologia<\/span> e <span id=\"urn:enhancement-a4eb8799-5025-4f6e-8d63-1cb9af4a1ff3\" class=\"textannotation disambiguated wl-thing\" itemid=\"https:\/\/data.wordlift.io\/wl110249\/entity\/genetica\">gen&eacute;tica<\/span>? Acesse sempre o <a href=\"https:\/\/vestibulares.estrategia.com\/portal\/\" target=\"_blank\">Blog do Estrat&eacute;gia<\/a> e saiba como esses conte&uacute;dos aparecem nos vestibulares.<\/p><p class=\"wp-block-paragraph\">Para conhecer nossas ofertas de cursos preparat&oacute;rios, clique abaixo:<\/p><div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-7d812b4c wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background has-background wp-element-button\" href=\"http:\/\/estrategiavestibulares.com.br\/\" style=\"border-radius:50px\" target=\"_blank\">ESTRAT&Eacute;GIA VESTIBULARES<\/a><\/div>\n<\/div><\/p>\n","protected":false},"excerpt":{"rendered":"Ter uma no&ccedil;&atilde;o b&aacute;sica sobre os princ&iacute;pios gen&eacute;ticos &eacute; essencial para a resolu&ccedil;&atilde;o de exerc&iacute;cios de vestibulares. Dessa&hellip;\n","protected":false},"author":23,"featured_media":51712,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[],"class_list":["post-51710","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>DNA e RNA: conceitos e fun\u00e7\u00f5es - Estrat\u00e9gia Vestibulares<\/title>\n<meta name=\"description\" content=\"Conhe\u00e7as as principais estruturas e fun\u00e7\u00f5es do DNA e RNA, os dois \u00e1cidos nucleicos presentes nos materiais gen\u00e9ticos das c\u00e9lulas.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/dna-e-rna\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DNA e RNA: o que \u00e9, estruturas e fun\u00e7\u00f5es\" \/>\n<meta property=\"og:description\" content=\"Conhe\u00e7as as principais estruturas e fun\u00e7\u00f5es do DNA e RNA, os dois \u00e1cidos nucleicos presentes nos materiais gen\u00e9ticos das c\u00e9lulas.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vestibulares.estrategia.com\/portal\/materias\/biologia\/dna-e-rna\/\" \/>\n<meta property=\"og:site_name\" content=\"Estrat\u00e9gia Vestibulares\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/estrategiavestibulares\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-29T14:08:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-20T17:55:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vestibulares.estrategia.com\/portal\/wp-content\/uploads\/2021\/06\/pexels-nothing-ahead-4440721.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"640\" \/>\n\t<meta property=\"og:image:height\" content=\"426\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Kauane Elias\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Estrategiavest\" \/>\n<meta name=\"twitter:site\" content=\"@Estrategiavest\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kauane Elias\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/materias\\\/biologia\\\/dna-e-rna\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/materias\\\/biologia\\\/dna-e-rna\\\/\"},\"author\":{\"name\":\"Kauane Elias\",\"@id\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/#\\\/schema\\\/person\\\/c3c8aff2b0e78cda59fba186b818b7b1\"},\"headline\":\"DNA e RNA: o que \u00e9, estruturas e fun\u00e7\u00f5es\",\"datePublished\":\"2021-06-29T14:08:00+00:00\",\"dateModified\":\"2024-02-20T17:55:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/materias\\\/biologia\\\/dna-e-rna\\\/\"},\"wordCount\":943,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/materias\\\/biologia\\\/dna-e-rna\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/wp-content\\\/uploads\\\/2021\\\/06\\\/pexels-nothing-ahead-4440721.jpg\",\"articleSection\":[\"Biologia\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/materias\\\/biologia\\\/dna-e-rna\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/materias\\\/biologia\\\/dna-e-rna\\\/\",\"url\":\"https:\\\/\\\/vestibulares.estrategia.com\\\/portal\\\/materias\\\/biologia\\\/dna-e-rna\\\/\",\"name\":\"DNA e RNA: conceitos e fun\u00e7\u00f5es - 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