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One turn of the helix in a B- from DNA i...

One turn of the helix in a B- from DNA is approximately

A

3.4 nm

B

2 nm

C

20 nm

D

0.34 nm

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The correct Answer is:
a
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ERRORLESS -MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
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  18. For transformation, micro- particales coated with DNA to be bombarded ...

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