Multiple Choice
During DNA replication, which enzyme unwinds ("unzips") the double helix by breaking hydrogen bonds between base pairs at the replication fork?
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8. DNA Replication
Overview of DNA Replication
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In the overview of DNA replication, what is the primary function of helicase?
A
To synthesize short RNA primers to initiate DNA synthesis
B
To join Okazaki fragments by forming phosphodiester bonds
C
To unwind the DNA double helix by breaking hydrogen bonds between complementary base pairs
D
To add nucleotides to the growing DNA strand in the 5′ to 3′ direction
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