Identify the nitrogenous base of nucleic acid | vedclass

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Question

(D) Nitrogenous bases in nucleic acids are classified into two types: purines and pyrimidines.Purines have a double-ring structure (a six-membered rin

Vedclass · Accepted Answer

Guanine

Vedclass · Answer

(D) Nitrogenous bases in nucleic acids are classified into two types: purines and pyrimidines.Purines have a double-ring structure (a six-membered ring fused to a five-membered ring),while pyrimidines have a single-ring structure.Among the given options,$Thymine$,$Uracil$,and $Cytosine$ are pyrimidines (single-ring).$Guanine$ is a purine and possesses a double-ring structure.Therefore,the correct option is $D$.

Identify the nitrogenous base of nucleic acid from the following that has a double-ring structure.

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