Gene Expression

Gene Expression

9th Grade

25 Qs

quiz-placeholder

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Gene Expression

Gene Expression

Assessment

Quiz

Science

9th Grade

Practice Problem

Hard

NGSS
HS-LS1-1, HS-LS3-2, MS-LS1-5

Standards-aligned

Created by

Lisa Thompson

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A lack of this nonprotein molecule would result in the inability of the cell to "turn off" genes:

Operon

Inducer

Promoter

Repressor

Corepressor

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The lactose operon is likely to be transcribed when

there is more glucose in the cell than lactose.

the cyclic AMP levels are low.

there is glucose but no lactose in the cell.

the cyclic AMP and lactose levels are both high within the cell.

the cAMP level is high and the lactose level is low.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Muscle cells differ from nerve cells mainly because they

express different genes.

contain different genes.

use different genetic codes.

have unique ribosomes

Tags

NGSS.HS-LS1-1

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A type of control element that acts with transcription factors to promote initiation may be perceived as a distal control element. This control element is called a(n):

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following processes is part of gene expression?

DNA replication

Transcription

DNA repair

DNA methylation

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In the context of gene expression, what is the function of mRNA?

To carry genetic information from DNA to the ribosome

To form the structure of ribosomes

To transport amino acids to the ribosome

To catalyse peptide bond formation

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Imagine Jackson, Harper, and William are in a science quiz competition. The quizmaster asks, 'Which process and product are represented in Diagram 2?' Can you help them answer?

Process: Transcription

Product: mRNA

Process: Translation

Product: protein

Process: Replication

Product: tRNA

Process: Recombination

Product: polymerase

Answer explanation

The question asked about the process and product represented in a given diagram. The correct answer is 'Process: Transcription, Product: mRNA'. This indicates that the diagram was illustrating the process of transcription, where a segment of DNA is copied into mRNA. This mRNA then serves as a template for protein synthesis. The other options, including translation, replication, and recombination, are not correct in this context.

Tags

NGSS.HS-LS1-1

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