1.

Cytidine is aA. nitrogenous baseB. nucleosideC. nucleotideD. nucleic acid.

Answer» Correct Answer - B
Cytosine (C) is a pyrimidine i.e., a nitrogenous base. A combination of a nitrogenous base (purine pr pyrimidine) with a pentose sugar is known as nucleside. Thus, the combination of cytosine with ribose sugar results in the formation of a nucleoside called as cytidine. similarly, the combination of cytosine with dexyribose sugar is called as deoxycytidine.


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