📊 Biology
Q. Which component forms the backbone of the DNA molecule?
  • (A) Nitrogen bases only
  • (B) Sugar and phosphate
  • (C) Base pairs only
  • (D) Only phosphate
✅ Correct Answer: (B) Sugar and phosphate

Explanation: The sugar-phosphate backbone forms the structural framework of DNA strands.

Explanation by: Mr. Dubey
The sugar-phosphate backbone forms the structural framework of DNA strands.

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