
Exam 3 Review
Authored by Sophia Gaspard
Biology
University
NGSS covered
Used 582+ times

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45 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is properly matched with its function
Topoisomerase - breaks the H-bonds between strands
DNA Ligase - removes and replaces RNA primer
SSBPs - stabilize the open strands of DNA
DNA Polymerase I - seals the gap between the DNA fragments
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A protein that binds to the operator and blocks the RNA polymerase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a dihybrid cross between two heterozygous pea plants (RrYy), where R represents round seeds (dominant) and r represents wrinkled seeds (recessive), while Y represents yellow seeds (dominant) and y represents green seeds (recessive), what fraction of the offspring would be expected to have round, yellow seeds?
1/16
3/16
9/16
1/4
Tags
NGSS.HS-LS3-2
NGSS.HS-LS3-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
genes within the Lac Operon will be expressed if:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In eukaryotes, proteins that help the RNA polymerase bind to the regulatory region for transcription are called ____________.
Tags
NGSS.HS-LS1-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the lactose do to the Operon?
Blocks transcription
Binds to the repressor, preventing it from binding to the Operator.
The lactose binds the repressor and stops transcription
Catalyzes transcription
7.
MULTIPLE CHOICE QUESTION
30 sec • 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?
Tags
NGSS.HS-LS1-1
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