Which of the following nitrogen bases,either | vedclass

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(C) The structures of the nitrogen bases are as follows:$1$. Adenine (purine) contains an $-NH_2$ group at the $C-6$ position.$2$. Guanine (purine) co

Vedclass · Accepted Answer

Thymine

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(C) The structures of the nitrogen bases are as follows:$1$. Adenine (purine) contains an $-NH_2$ group at the $C-6$ position.$2$. Guanine (purine) contains an $-NH_2$ group at the $C-2$ position.$3$. Cytosine (pyrimidine) contains an $-NH_2$ group at the $C-4$ position.$4$. Thymine (pyrimidine) is $5$-methyluracil and does not contain an $-NH_2$ group attached to its ring.Therefore,the correct answer is Thymine.

Which of the following nitrogen bases,either of purine or pyrimidine,does $NOT$ contain an $-NH_2$ group attached to its ring?

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