The mean diameter of the DNA double helix is: | vedclass

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Question

(A) According to the Watson-Crick model of $DNA$ structure,the $DNA$ molecule exists as a double helix.The distance between the two strands of the $DN

Vedclass · Accepted Answer

$20 \ \mathring{A}$

Vedclass · Answer

(A) According to the Watson-Crick model of $DNA$ structure,the $DNA$ molecule exists as a double helix.The distance between the two strands of the $DNA$ helix is constant,which is approximately $20 \ \mathring{A}$ $(2 \ nm)$.Therefore,the mean diameter of the $DNA$ double helix is $20 \ \mathring{A}$.

The mean diameter of the $DNA$ double helix is:

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