📊 Biology
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.

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

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