What Is the Function of DNA Gyrase

question 14

Multiple Choice

What is the function of DNA gyrase?

• A) connects Okazaki fragments by sealing nicks in the sugar-phosphate backbone
• B) unwinds the double helix by breaking the hydrogen bonding between the two strands at the replication fork
• C) reduces the torsional strain that builds up ahead of the replication fork as a result of unwinding
• D) binds to oriC and causes a short section of DNA to unwind
• E) prevents the formation of secondary structures within single-stranded DNA

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