Wilkins' X-ray diffraction data of DNA shows | vedclass

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Question

(B) The $X$-ray diffraction data produced by Maurice Wilkins and Rosalind Franklin provided crucial information about the structure of $DNA$.According

Vedclass · Accepted Answer

$20\ \mathring{A}$

Vedclass · Answer

(B) The $X$-ray diffraction data produced by Maurice Wilkins and Rosalind Franklin provided crucial information about the structure of $DNA$.According to the Watson-Crick model of $DNA$,which is based on this diffraction data,the $DNA$ molecule exists as a double helix.The distance between the two strands of the $DNA$ helix is constant and is measured as $20\ \mathring{A}$ (or $2\ nm$).Therefore,the diameter of the $DNA$ helix is $20\ \mathring{A}$.

Column $I$	Column $II$
$(A) 5386$ nucleotides	$(p) E. coli$
$(B) 48502$ bp	$(q) \text{Man}$
$(C) 4.6 \times 10^6$ bp	$(r) \text{Drosophila}$
$(D) 3.3 \times 10^9$ bp	$(s) \phi \times 174 \text{ bacteriophage}$
	$(t) \text{Bacteriophage lambda}$

Wilkins' $X$-ray diffraction data of $DNA$ shows the diameter of the $DNA$ helix to be:

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