Which of the following is the correct structu | vedclass

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(A) Adenine is a purine base found in nucleic acids ($DNA$ and $RNA$). Its chemical structure consists of a fused pyrimidine and imidazole ring system

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(A) Adenine is a purine base found in nucleic acids ($DNA$ and $RNA$). Its chemical structure consists of a fused pyrimidine and imidazole ring system. Specifically,it is $6$-aminopurine. Option $A$ represents the correct structure of adenine,which contains an amino group $(-NH_2)$ attached to the $6^{th}$ position of the purine ring. Option $B$ is thymine,Option $C$ is guanine,and Option $D$ is uracil.

Which of the following is the correct structure of adenine?

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