nucleotide

名词 nucleotide:

1. a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)

nu.cle.o.tide

n.（名词）
Any of various compounds consisting of a nucleoside combined with a phosphate group and forming the basic constituent of DNA and RNA.
核苷酸：由与磷原子团结合并形成DNA和RNA的基本成分的核苷构成的化合物

来源：
Alteration of nucleoside
nucleoside的变化