What is the distance between the two polynucl | vedclass

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Question

(B) According to the Watson-Crick model of $DNA$ structure,the $DNA$ molecule consists of two polynucleotide strands that form a double helix.The diam

Vedclass · Accepted Answer

$20 \mathring A$

Vedclass · Answer

(B) According to the Watson-Crick model of $DNA$ structure,the $DNA$ molecule consists of two polynucleotide strands that form a double helix.The diameter of this double helix is constant throughout its length.The distance between the two polynucleotide strands (the diameter of the $DNA$ helix) is $20 \mathring A$ $(2 	ext{ nm})$.Therefore,the correct option is $B$.

What is the distance between the two polynucleotide strands of $DNA$?

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