
Quiz sobre DNA e RNA
Authored by MICHELI BEN
Biology
11th Grade
Used 2+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 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 tripla de nucleotídeos com ribose
Estrutura circular composta apenas por proteínas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal função do RNA mensageiro (mRNA) na célula?
Armazenar informações genéticas
Transportar aminoácidos para o ribossomo
Levar a informação genética do DNA até o ribossomo para síntese de proteínas
Catalisar reações químicas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Durante a replicação do DNA, qual enzima é responsável por adicionar novos nucleotídeos à cadeia crescente?
RNA polimerase
DNA polimerase
Ligase
Helicase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das bases nitrogenadas está presente apenas no RNA e não no DNA?
Adenina
Timina
Uracila
Guanina
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O processo de transcrição resulta na formação de qual molécula?
DNA
RNA
Proteína
Polissacarídeo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Durante a replicação do DNA, a enzima helicase tem qual função principal?
Unir fragmentos de Okazaki
Adicionar nucleotídeos à nova cadeia
Separar as duas fitas da dupla hélice
Sintetizar RNA mensageiro
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das alternativas abaixo apresenta corretamente as bases nitrogenadas do DNA?
Adenina, Timina, Guanina, Citosina
Adenina, Uracila, Guanina, Citosina
Timina, Uracila, Guanina, Citosina
Adenina, Timina, Guanina, Uracila
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