Gene Regulation and Expression

Gene Regulation and Expression

10th Grade

5 Qs

quiz-placeholder

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Gene Regulation and Expression

Gene Regulation and Expression

Assessment

Passage

Biology

10th Grade

Hard

Created by

Jason Anderson

Used 1+ times

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are prokaryotic genes regulated?

Using homeotic genes

Through the TATA box

By the organization of genes into operons

By environmental factors

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when lactose is not present in the medium for the lac operon?

RNA polymerase begins transcription

Regulatory proteins bind to DNA and block transcription

Lactose diffuses into the cell

The lac genes are activated

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key feature of a typical eukaryotic gene?

It contains a TATA box

It has a promoter and an operator

It is regulated by lactose

It is organized into operons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do transcription factors play in eukaryotic cells?

They control the expression of genes by binding DNA sequences in regulatory regions

They bind to the O region to block transcription

They regulate genes by controlling transcription in prokaryotes

They attach to lactose to change its shape

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do environmental factors influence gene regulation?

Through the use of homeotic, homeobox, and Hox genes

By changing the shape of repressor proteins

They can affect gene regulation

By affecting the organization of genes into operons