noun🔗Share核苷酸,单核苷酸。 The monomer constituting DNA or RNA biopolymer molecules. Each nucleotide consists of a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine; a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA); and a phosphate group."The DNA in our cells is made of long chains of nucleotides, each containing a sugar, a phosphate, and a base. "我们细胞里的 DNA 由长的核苷酸链组成,每个核苷酸都包含一个糖,一个磷酸基团,和一个碱基。biochemistrybiologychemistrysciencestructurecompoundorganismfunctionChat with AIVocabulary GamePractice Reading