nucleotide: Meaning and Definition of
Pronunciation: (n'klē-u-tīd", ny'-), [key]
— n. Biochem.
- any of a group of molecules that, when linked together, form the building blocks of DNA or RNA: composed of a phosphate group, the bases adenine, cytosine, guanosine, and thymine, and a pentose sugar, in RNA the thymine base being replaced by uracil.
- nucleotide (Thesaurus)