Ch.16 - DNA SynthesisWorksheetSee all chapters
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Ch.16 - DNA Synthesis
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Solution: How does RNA participate in DNA replication?A. RNA transports free nucleotide triphosphates to the phosphodiester bond formation site of DNA polymerase III.B. RNA relaxes supercoiling of DNA strands.C. RNA serves as a primer for elongation by DNA polymerase.D. RNA prevents reannealling of separated DNA strands.

Problem

How does RNA participate in DNA replication?

A. RNA transports free nucleotide triphosphates to the phosphodiester bond formation site of DNA polymerase III.

B. RNA relaxes supercoiling of DNA strands.

C. RNA serves as a primer for elongation by DNA polymerase.

D. RNA prevents reannealling of separated DNA strands.

Solution

In a DNA replication process, a double-stranded (ds) DNA is first opened by a helicase enzyme. Upon being opened, prior to being replicated, primers attach to both of these strands, which will be serving as template.

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