
B12 - Regulação genética
Authored by Gil Campelos
Science, Biology
12th Grade
Used 58+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As células do mesmo organismo possuem a mesma informação genética.
V
F
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O processo da regulação genética foi descoberto por:
Jacob e Monod
Watson e Crick
Mendel
Thomas Morgan
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A frase “…teria de haver uma proteína que funcionasse como uma braçadeira, agarrando-se ao ADN da bactéria bloqueando a produção de enzimas”, refere-se:
À ARN polimerase
Ao repressor
Ao operador
Ao processo de transcrição
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A presença de lactose…
Inativa o repressor e permite a transcrição
Ativa o repressor e não permite a transcrição
Ativa o promotor e permite a tradução
Inativa a RNA polimerase e não permite a tradução
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Coloca as etapas na ordem correta:
A- RNA polimerase liga-se ao promotor
B- Tradução das enzimas
C - transcrição dia genes estruturais
D - inativação do repressor
DACB
CBDA
ADBC
DABC
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O operão do triptofano é do tipo
Indutivo, aumentando a produção de triptofano
Repressivo, parando a produção de triptofano
Inativo, bloqueando o repressor
Correpressivo, bloqueando a RNA polimerase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A expressão dos genes é influenciada…
Presença de Nutrientes
temperatura
pH
todas corretas
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