A double-stranded DNA sample has 30% A. The percent of G is
- A
30%
- Bcheck_circle
20%
- C
60%
- D
70%
Explanation
%T = 30 (Chargaff). A+T = 60% → G+C = 40% → %G = 20%.
DNA and RNA Structure
AP Biology· difficulty 3/5
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