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Question

A DNA from a particular species contain 108 base pairs. What is the length of the DNA?


A

3.4×102cm

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B

3.4 m

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C

3.4 cm

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D

3.4×102m

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Solution

The correct option is D

3.4×102m


Each helix contain 10bp=34 A
Thus, distance between each bp = 3.4
Length of 108bp=3.4×108=3.4×1010×108 m=3.4×102m


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