What is the width (distance) between the two | vedclass

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

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$20 \, 	ext{Å}$

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

What is the width (distance) between the two polynucleotide chains of $DNA$?

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