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Chemistry Question on Nucleic Acids

The component present in both nucleotides and nucleosides is

A

sugar

B

phosphate

C

nitrogenous base

D

both (a) and (c)

Answer

both (a) and (c)

Explanation

Solution

Nucleoside is a compound formed by the union of a nitrogen base with a pentose sugar. It is a component of nucleotide. Each nucleotide is composed of three units; a nitrogen base, a pentose sugar and a phosphate group. The nucleoside combines with a phosphate group at 5′5' position by an ester bond to form a nucleotide or nucleoside monophosphate.