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Given the diagram showing Watson and Crick model of DNA structure. Identify the parameters of A, B and C.

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A - 3.4 $\overset{o}{A}$ , B - 20 $\overset{o}{A}$ , C - 34 $\overset{o}{A}$

A-34 $\overset{o}{A}$ , B-20 $\overset{o}{A}$ , C-3.4 $\overset{o}{A}$

N-34 A,,B-20 $\overset{o}{A}$ , C-0.34 $\overset{o}{A}$

A-0.34 $\overset{o}{A}$ , B-20 $\overset{o}{A}$ , C- 3.4 $\overset{o}{A}$

answer is C.

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Detailed Solution

A is length of each helix of DNA as 34A⁰, B is width of DNA as 20A⁰ and C is ascent of each step as 3.4A⁰.

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