AP Biology Unit 6 Review
Authored by Christopher Bernardo
Biology
9th - 12th Grade
NGSS covered
Used 38+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following describes an operon that is inactive and becomes activated by a molecule binding to the repressor?
inducible operon
repressible operon
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following strands would be more stable at a higher temperature? (hint thinks about the # of H-bonds)
AATTAATTAATT
CCGGCCGGCCGG
ATCGATCGATCGAT
CGATCGATCGATCG
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following enzymes is responsible for breaking the hydrogen bonds between nucleotides?
DNA polymerase
Helicase
Primase
Ligase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following describes an operon that is active and becomes inactivated by a molecule binding to the repressor?
inducible operon
repressible operon
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The lac operon is an example of an inducible operon. Which of the following describes the process that occurs when lactose is present?
The lactose binds to the repressor which inactivates it and the repressor binds to the operator to turn translation on
The lactose binds to the repressor which activates it and the repressor releases from the operator to turn translation on.
The lactose binds to the repressor which inactivates it and the repressor releases from the operator to turn translation on.
The lactose binds to the repressor which activates it and the repressor binds to the operator to turn translation on
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The trp operon is an example of an repressible operon. Which of the following describes the process that occurs when tryptophan is present?
The tryptophan binds to the repressor which inactivates it and the repressor binds to the operator to turn translation off.
The tryptophan binds to the repressor which activates it and the repressor releases from the operator to turn translation off.
The tryptophan binds to the repressor which inactivates it and the repressor releases from the operator to turn translation off.
The tryptophan binds to the repressor which activates it and the repressor binds to the operator to turn translation off.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the trp operon, the tryptophan binds to the repressor. Which of the following is the term used to describe this molecule?
inducer
corepressor
enhancer
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