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Q.
The component present in both nucleotides and nucleosides is
Biomolecules
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 $5'$ position by an ester bond to form a nucleotide or nucleoside monophosphate.