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BIO 181: General Biology I (2026 Spring -
A) Quiz 3 (Modules 7-8) latest updated
exam questions and answers + rationales
Quiz 3 (Modules 7-8)
Due Feb 8, 2021 at 1:59am Points 25 Questions 20
Available may 31, 2026 at 2am - june 28, 2026 at 1:59am Time Limit 45 Minutes
This quiz was locked jun 28, 2026 at 1:59am.
Attempt History
Attempt Time Score
LATEST Attempt 1 7 minutes 25 out of 25
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Score for this quiz: 25 out of 25
Submitted Feb 7, 2021 at 8:19pm
This attempt took 7 minutes.
Question 1 pts
Which enzyme unwraps the double helix?
Correct! Helicase
DNA polymerase III
DNA polymerase I
Nucleosome
DNA ligase
Good work
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Question 2 pts
Which enzyme is used first to permit DNA polymerase III to begin
replicating the 3’ strand?
Conservative replication
Parental strand
Correct! Primase
RNA
Mutation rate
Good work
Question 3 pts
The double helix of DNA is wrapped about 1¾ times around
which of these components?
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Emai;
BIO 181: General Biology I (2026 Spring -
A) Quiz 3 (Modules 7-8) latest updated
exam questions and answers + rationales
Quiz 3 (Modules 7-8)
Due Feb 8, 2021 at 1:59am Points 25 Questions 20
Available may 31, 2026 at 2am - june 28, 2026 at 1:59am Time Limit 45 Minutes
This quiz was locked jun 28, 2026 at 1:59am.
Attempt History
Attempt Time Score
LATEST Attempt 1 7 minutes 25 out of 25
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Emai;
,For more exams
Emai;
Score for this quiz: 25 out of 25
Submitted Feb 7, 2021 at 8:19pm
This attempt took 7 minutes.
Question 1 pts
Which enzyme unwraps the double helix?
Correct! Helicase
DNA polymerase III
DNA polymerase I
Nucleosome
DNA ligase
Good work
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Emai;
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Question 2 pts
Which enzyme is used first to permit DNA polymerase III to begin
replicating the 3’ strand?
Conservative replication
Parental strand
Correct! Primase
RNA
Mutation rate
Good work
Question 3 pts
The double helix of DNA is wrapped about 1¾ times around
which of these components?
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Emai;