Parameter | Nucleoside | Nucleotide |
Chemical Composition | A nucleoside consists of a nitrogenous base covalently attached to a sugar(ribose or deoxyribose) | A nucleotide consists of a nitrogenous base, sugar(ribose or deoxyribose) and one to three phosphate groups |
Attachment | Nucleosides are attached to purines | Nucleotides are attached to pyrimidines |
Examples | Few examples of nucleosides are adenosine, uridine, and cytidine | Examples of nucleotide include adenine monophosphate, adenine diphosphate, and adenine triphosphate |