AIPMT PRELIMS2006Zoology-Molecular Basis of Inheritance
AIPMT PRELIMS 2006 Zoology DNA Structure MCQ Question
Type: MCQ-conceptual-Medium-Class 12
One turn of the helix in a B⁻form DNA is approximately :
A
20 nₘ
B
0.34 nₘ
C
3.4 nₘ
D
2 nₘ
Correct Answer
Option C
Detailed Explanation
The B⁻form of DNA has a helical turn of approximately 3.4 nₘ.
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