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BIO NMDCAT Structure of DNA
nmdcat.online July 3, 2026

71. The structural stability of a DNA double helix is highest when it is folded into which of the following natural conformations

A. A-DNA
B. B-DNA
✓
C. Z-DNA
D. Single-stranded linear loop

📝 Explanation

B-DNA is the standard, stable conformation adopted by native DNA molecules inside the aqueous environment of living cells.

📖 Additional Information

  • A-DNA
  • B-DNA
  • Z-DNA
  • Single-stranded linear loop

B-DNA is the standard, stable conformation adopted by native DNA molecules inside the aqueous environment of living cells.

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