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Structure of DNA

The number of...

Question

The number of base pairs present in one turn of DNA is

A

10

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B

9

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C

11

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D

12

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Solution

The correct option is A
10

One turn of DNA double helix is 3.4 nm long.

Each turn contains 10 base pairs.

Thus, the distance between two base pairs in DNA is 0.34 nm.

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