📊 Biology
Q. Assertion (A): Topoisomerase prevents DNA tangling.
Reason (R): It cuts and rejoins DNA strands.
  • (A) Both A and R are true and R is correct
  • (B) Both A and R are true but R is not correct
  • (C) A is true but R is false
  • (D) A is false but R is true
✅ Correct Answer: (A) Both A and R are true and R is correct

Explanation: Topoisomerase relieves supercoiling by cutting DNA.

Explanation by: Mr. Dubey
Topoisomerase relieves supercoiling by cutting DNA.

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