📊 Biology
Q. Which enzyme unwinds DNA?
  • (A) Ligase
  • (B) Helicase
  • (C) Polymerase
  • (D) Topoisomerase
✅ Correct Answer: (B) Helicase

Explanation: Helicase breaks hydrogen bonds.

Explanation by: Mr. Dubey
Helicase breaks hydrogen bonds.

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