Gene Regulation

Quiz
•
Science
•
10th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the role of operons in prokaryote gene expression?
It makes the genes prokaryotes be turned on
It accounts for the regulation of gene activity in response to the needs of the cells
To make DNA for the gene
To make the gene turn of and off
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
what does a promoter do?
it allows a gene to be transcribed
it creates a DNA segment
it is another word for ribosomes
it is another word for RNA
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the lac operon model the genes within the operon will be expressed if:
lactose is absent in the cell
glucose is present in the cell
lactose is present in the cell
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How can a person's muscle cells have the same exact DNA sequences as their nerve cells even though the look and perform completely different?
The two different cells become mutated
The proteins expressed in each cell are different
They actually have different DNA in the two types of cells.
The genome of the different cells changes
Tags
NGSS.HS-LS1-1
NGSS.HS-LS1-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the lac operon model the genes within the operon will be expressed (switched on) if:
lactose is absent in the cell
glucose is present in the cell
lactose is present in the cell
glucose is absent in the cell
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
All the genes in both a prokaryotic cell and a eukaryotic cell are expressed at the same time.
True
False
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