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Question : Assertion. Adenine cannot pair with cytosine. Reason. Adenine and cytosine do not have a perfect match between hydrogen donor and hydrogen acceptor sites. Hence, they cannot pair.

Answer»

If both A and R are TRUE and R is the correct EXPLANATION of A.
If both A and R are true but R is not the correct explanation of A.
If A is true but R is FALSE.
If both A and R are false.

Answer :A


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