Which nitrogenous base is represented by the | vedclass

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(B) The structural formula provided shows a pyrimidine ring with a methyl group $(-CH_3)$ attached at the $5^{th}$ position. This specific structure i

Vedclass · Accepted Answer

Thymine

Vedclass · Answer

(B) The structural formula provided shows a pyrimidine ring with a methyl group $(-CH_3)$ attached at the $5^{th}$ position. This specific structure is characteristic of Thymine ($5$-methyluracil). Uracil lacks this methyl group,while Cytosine has an amino group instead of a carbonyl group at the $4^{th}$ position. Guanine is a purine,which has a double-ring structure. Therefore,the correct answer is Thymine.

Which nitrogenous base is represented by the structural formula shown below?

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