Q. Which enzyme unwinds DNA?

  • (A) Ligase
  • (B) Helicase
  • (C) Polymerase
  • (D) Topoisomerase
✅ Correct Answer: (B) Helicase
Explanation: Helicase breaks hydrogen bonds.

Published by Mr. Dubey ⭐ 111.54K Points at 27-Apr-2026 05:50 am in Biology

Explanation by: Mr. Dubey
Helicase breaks hydrogen bonds.

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