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If the distance between two consecutive ...

If the distance between two consecutive base pairs is 0.34nm and the toal number of base pairs of a DNA double helix in a typical mammalian cell is `6,6xx10^9`bp, then the length of the DNA is approximately

A

2.0 meters

B

2.5 meters

C

2.2 meters

D

2.7 meters

Text Solution

Verified by Experts

The correct Answer is:
C
Distance between 2 base pair in DNA helix = `0.34` nm = `0.34 xx 10^(-9)` m
Total number of base pair = `6.6 xx 10^(9)` bp
Length of DNA = `[0.34 xx 10^(-9)] m xx 6.6 xx 10^(9) bp = 2.2` m
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