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BIO 181: General Biology I (2026 Spring - A) Quiz 3 (Modules 7-8) latest updated exam questions and answers + rationales

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BIO 181: General Biology I (2026 Spring - A) Quiz 3 (Modules 7-8) latest updated exam questions and answers + rationales

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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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