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CLEP Biology Practice Test
Multiple Choice
CLEP Biology
Multiple Choice Practice Test
Question 1 of 3
53% Get this Question Right
In DNA replication, which of the following enzymes is required for separating the DNA molecule into two strands?
A
Primase
B
Helicase
C
DNA polymerase
D
DNA gyrase
E
Single strand binding protein
The enzyme helicase unwinds DNA. It depends on several other proteins to make the unwinding run smoothly, however. Single-strand binding protein holds the single stranded DNA in place, and topoisomerase helps relieve tension at the replication fork.
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