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What is the difference between a nucleos...

What is the difference between a nucleoside and a nucleotide ?

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Nucleosides : Nucleic acid bases combine with pentose sugars to form N-glycosides known as nucleosides
Eg: Cytidine

Nucleotides : Nucleotides is a phosphate ester of nucleoside and consists of a purine of pyrimidine base. nucleotide contains a base moiety , a sugar moiety (i.e.,) a nucleoside moiety group and phosphate group.
Nucleotide = base (purine / pyrimidine) + sugar (ribose/deoxyribose) + phosphate
Ex : Adenosine Triphosphate (ATP)
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