How many base pairs are present in each turn | vedclass

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Question

(B) In the $B-DNA$ model proposed by Watson and Crick, the structure is a double helix.Each full turn of the helix measures approximately $3.4 \, nm$

Vedclass · Accepted Answer

$10$

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(B) In the $B-DNA$ model proposed by Watson and Crick, the structure is a double helix.Each full turn of the helix measures approximately $3.4 \, nm$ $(34 \, 	ext{\AA})$.The distance between two consecutive base pairs is $0.34 \, nm$ $(3.4 \, 	ext{\AA})$.Therefore, the number of base pairs per turn is calculated as $\frac{3.4 \, nm}{0.34 \, nm} = 10$ base pairs.

How many base pairs are present in each turn of the $DNA$ helix?

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