Distance between two adjacent nitrogen bases of DNA is
A
2.4 A
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B
3.4 A
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C
24 A
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D
34 A
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Solution
The correct option is B 3.4 A The length of each helix is 34Å. Each helix has 10 base pairs. Thus the distance between two nearest base pair is 3.4Å.
So, the correct answer is option B.