Q. Which base is complementary to cytosine in DNA?

  • (A) Guanine
  • (B) Adenine
  • (C) Thymine
  • (D) Uracil
✅ Correct Answer: (A) Guanine
Explanation: Cytosine always pairs with guanine in DNA through three hydrogen bonds.

Published by Mr. Dubey ⭐ 111.42K Points at 27-Oct-2025 02:23 pm in Biology

Explanation by: Mr. Dubey
Cytosine always pairs with guanine in DNA through three hydrogen bonds.

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