AP Biology Unit 6 Review Pt2: Molecular Genetics Quizizz
Authored by Stacy Monson
Biology
11th Grade - University
NGSS covered
Used 49+ times
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60 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A frameshift mutation could result from
a base insertion only.
a base deletion only.
a base substitution only.
either an insertion or a deletion of a base.
Tags
NGSS.HS-LS3-2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the flow of genetic information in cells from DNA to protein? (Central Dogma)
RNA to DNA to protein
DNA to RNA to protein
protein to DNA to RNA
RNA to protein to DNA
Tags
NGSS.HS-LS1-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following statements best describes the termination of transcription in prokaryotes?
RNA polymerase transcribes through the polyadenylation signal, causing proteins to associate with the transcript and cut it free from the polymerase
RNA polymerase transcribes through the terminator sequence, causing the polymerase to separate from the DNA and release the transcript.
RNA polymerase transcribes through an intron, and the snRNPs cause the polymerase to let go of the transcript.
Once transcription has initiated, RNA polymerase transcribes until it reaches the end of the chromosome.
4.
MULTIPLE CHOICE QUESTION
45 sec • 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
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A protein that binds to the operator and blocks the RNA polymerase
regulator
repressor
activator
corepressor
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A small molecule that binds to the repressor and makes it inactive is
corepressor
inducer
promoter
operator
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