A molecule which is a basic building block of nucleic acids and which plays a key role in energy transfer in biochemical reactions.

Nucleotides consist of a five-carbon sugar, a heterocyclic nitrogen-containing organic base, and a phosphate group.

Basic building block molecule of DNA or RNA. Consists of ribose or deoxyribose, nucleic acid base and phosphate.

See also: Deoxyribonucleic Acid, Intron, Nucleoside, Nucleotide Base.

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Subjects: Chemistry