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Assertion :- Constnt diameter of DNA dou...

Assertion :- Constnt diameter of DNA double helix is `20Å`
Reason : Purines always pair with pyrimidines and vice-versa

A

If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.

B

If both Assertion & Reason are trur but Reason is not a correct explanation of the Assertion.

C

If Assertion is True but the Reason is Flase.

D

If both Assertion & Reason are false.

Text Solution

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The correct Answer is:
A
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