What Is the Function of the Enzyme Topoisomerase in DNA

question 60

Multiple Choice

What is the function of the enzyme topoisomerase in DNA replication?

• A) relieving strain in the DNA ahead of the replication fork caused by the untwisting of the double helix
• B) elongating new DNA at a replication fork by adding nucleotides to the existing chain
• C) reattaching the hydrogen bonds between the base pairs in the double helix
• D) building RNA primers using the parental DNA strand as a template

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