
Estruturas do DNA e RNA
Authored by IVO DECIO LOCATELLI DEL MOURO
Biology
10th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Qual das seguintes opções representa corretamente a estrutura do DNA?
Cadeia simples de nucleotídeos com uracila
Dupla hélice formada por duas cadeias antiparalelas de nucleotídeos
Cadeia dupla com ribose e adenina
Cadeia simples com desoxirribose e guanina
2.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Qual é a principal diferença entre a estrutura do RNA e do DNA?
O RNA possui timina e o DNA possui uracila
O RNA é formado por dupla hélice e o DNA por cadeia simples
O RNA possui ribose e o DNA possui desoxirribose
O RNA é composto por nucleotídeos sem bases nitrogenadas
3.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Quais são os componentes básicos de um nucleotídeo?
Fosfato, base nitrogenada e ácido graxo
Ribose, base nitrogenada e proteína
Açúcar (pentose), fosfato e base nitrogenada
Glicerol, base nitrogenada e fosfato
4.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Durante a transcrição, qual enzima é responsável pela síntese do RNA a partir do DNA?
DNA polimerase
RNA polimerase
Ligase
Helicase
5.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Qual das seguintes bases nitrogenadas está presente apenas no RNA?
Timina
Adenina
Uracila
Guanina
6.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Durante a tradução, qual é a função do RNA mensageiro (mRNA)?
Transportar aminoácidos até o ribossomo
Carregar a informação genética do DNA até o ribossomo
Formar a estrutura do ribossomo
Catalisar a ligação peptídica
7.
MULTIPLE CHOICE QUESTION
30 mins • 1 pt
Qual é a sequência correta do fluxo de informação genética na célula?
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