
Quiz sobre Ácidos Nucleicos
Authored by Eriza Hahn
Biology
12th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quais são os dois principais tipos de ácidos nucleicos?
DNA e RNA
Proteína e RNA
ATP e DNA
RNA e Lipídios
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes bases nitrogenadas está presente no RNA, mas não no DNA?
Adenina (A)
Timina (T)
Uracila (U)
Guanina (G)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A estrutura do DNA é formada por duas fitas unidas por ligações de hidrogênio entre:
Aminoácidos
Bases nitrogenadas complementares
Grupos fosfato
Íons de cálcio
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual das seguintes alternativas descreve corretamente a diferença entre DNA e RNA?
O DNA contém uracila, enquanto o RNA contém timina
O DNA é fita dupla e o RNA é fita simples
O DNA é composto por ribose e o RNA por desoxirribose
O DNA é encontrado no citoplasma e o RNA apenas no núcleo
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A duplicação do DNA ocorre durante qual fase do ciclo celular?
G1
S
G2
Mitose
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a principal enzima responsável pela síntese de DNA durante a replicação?
DNA ligase
RNA polimerase
DNA polimerase
Primase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que significa dizer que a replicação do DNA é semiconservativa?
Cada nova molécula de DNA contém uma fita nova e uma fita original
O DNA é copiado de maneira aleatória
Ambas as fitas do DNA antigo são descartadas
A replicação ocorre apenas uma vez na vida da célula
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