Multiple Choice
During DNA replication, what is the primary role of DNA gyrase (a bacterial type II topoisomerase) ahead of the replication fork?
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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 the overview of DNA replication, what is the primary function of DNA polymerase?
A
It unwinds the DNA double helix by breaking hydrogen bonds between base pairs.
B
It lays down short RNA primers to provide a free 3′-OH group for DNA synthesis to begin.
C
It synthesizes new DNA strands by adding nucleotides to the 3′ end using a template strand.
D
It joins Okazaki fragments together by forming phosphodiester bonds in the sugar-phosphate backbone.
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