Gene Expression and Regulation

Gene Expression and Regulation

12th Grade

25 Qs

quiz-placeholder

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Gene Expression and Regulation

Gene Expression and Regulation

Assessment

Quiz

Science

12th Grade

Hard

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

+1

Standards-aligned

Created by

Lisa Thompson

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Media Image

What is the name given to part of a DNA molecule that codes for a protein?

Glucose

Chromosome

Gene

Phosphate

Tags

NGSS.HS-LS1-1

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

In order for a gene to be expressed, ___ must bind to the gene's ___, a specific sequence of nucleotides at one end of the gene, thus initiating transcription.

DNA polymerase, promotor

DNA polymerase, operator

RNA polymerase, promotor

RNA polymerase, operator

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

Most gene regulation happens at which step along the way?

translation

transcription

signal transduction

DNA replication

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

What is the name of the stretch of DNA where RNA polymerase binds?

operator

promoter

enhancer

regulatory gene

5.

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

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When a gene is activated _________ binds to the DNA at the start of the gene and moves along the DNA to create mRNA

keritanase

RNA polymerase

TAQ polymerase

catalyase

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The initial steps in gene expression are modeled. Double-stranded DNA first unwinds into two strands. Which process and product are represented in the diagrams?

Process: transcription; product: mRNA

Process: translation; product: protein

Process: replication; product: tRNA

Process: recombination; product: polymerase

Tags

NGSS.HS-LS1-1

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