Multiple Choice
In the overview of DNA replication, what is the primary function of DNA polymerase?
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8. DNA Replication
Overview of DNA Replication
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
In DNA replication, what is the primary role of helicase at the replication fork?
A
It relieves supercoiling ahead of the replication fork by cutting and rejoining DNA strands.
B
It seals nicks in the sugar-phosphate backbone by forming phosphodiester bonds between Okazaki fragments.
C
It synthesizes new DNA strands by adding nucleotides to the 3′ end of a primer.
D
It unwinds the parental double helix by breaking hydrogen bonds between complementary bases.
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