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If a lengh of DNA has 45,000 base pairs ...

If a lengh of DNA has 45,000 base pairs , how many complete turns will the DNA molecule take

A

4500

B

45000

C

45

D

450

Text Solution

Verified by Experts

The correct Answer is:
A
a) In each turn of the double helix structrue of DNA, there are 10 base pairs each placed at a distance of 3.4`Å`. Hence, if the length of DNA has 45,000 bp, the complete turns of DNA molecule is `4,500`.
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