The compound 'A' is a complementary base of in DNA strands.

Question

The compound 'A' is a complementary base of  in DNA strands.

Canvas Classes · Accepted Answer

The given structure shows a pyrimidine derivative with two oxo groups (at C2 and C4) and a methyl group at the C5 position. This is the structure of Thymine (5-methyluracil).
In the DNA double helix, Thymine always forms complementary base pairs with Adenine through two hydrogen bonds.
Therefore, the compound 'A' is a complementary base of Adenine.

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