A molecule
consisting of a purine or pyrimidine base
linked to a sugar, either ribose or deoxyribose.
ADENOSINE, CYTIDINE, GUANOSINE,
THYMIDINE, and URIDINE are common nucleosides.
Definition
nucleoside: An organic compoundconsisting of a nitrogen-containingpurine or pyrimidine base linkedto a sugar (ribose or deoxyribose). Anexample is adenosine. Compare nucleotide.
