1.

In `DNA`, the complementary bases are:A. adenine and thymine, guanine and uracilB. adenine and guanine, thymine and cytosineC. uracil and adenine, cytosing and guanineD. adenine and thymine, guanine and cytosine

Answer» Correct Answer - D
In `DNA`paring of complementary bases,
`(i)` Thrymin `(T)` with Adenine `(A)` through two `H-` bonds and
`(ii)` Cytosin `(C)` and Guanine `(G)` through three `H-` bonds.


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