Question

Which of the following statements about DNA replication is true?
A) Single‑strand binding proteins stabilize the open conformation of the unwound DNA. B) Okazaki fragments are DNA fragments synthesized on the leading strand. C) DNA polymerase adds dNTP monomers in the 3′-5′ direction. D) DNA gyrase unwinds the DNA double helix.

Answer 1

Because both daughter DNA strands are polymerized in the 5′-to-3′ direction, the DNA synthesized on the lagging ...

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Answer 2

option d is correct DNA gyrase (topoisomerase) prevents the supercoiling of DNA

means unwinding the DNA helix