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Biology/Molecular and Cellular Biology
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Function of DNA Helicase in Replication

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Why must DNA helicase unwind the DNA double helix during replication?
A

It prevents the DNA molecule from breaking apart.

B

It inhibits the replication of DNA.

C

It exposes the nitrogenous bases of the nucleic acid chain so that new nucleotides can be added to synthesize the daughter strand.

D

It exposes the phosphate groups of the nucleic acid chain so that new phosphates can be added to synthesize the daughter strand.

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