STANDARDZoology-Molecular Basis of Inheritance
STANDARD Zoology DNA Structure MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The pitch of the helix is _______ there are roughly _______ in each turn of DNA
A
5.4 nm, 11 bp
B
4.4 nm, 12 bp
C
3.4 nm, 10 bp
D
2.4 nm, 10 bp
Correct Answer
Option C
Detailed Explanation
The DNA double helix has a pitch of 3.4 nm and contains 10 base pairs per turn.
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