당, 인산, 염기가 결합된 화합물로 DNA나 RNA와 같은 핵산을 구성하는 기본 단위.
A compound consisting of a nucleoside linked to a phosphate group, forming the basic structural unit of nucleic acids such as DNA and RNA.
예문:
"The specific sequence of nucleotides in a gene acts as a blueprint for protein synthesis."
"Each nucleotide is composed of a nitrogenous base, a five-carbon sugar, and at least one phosphate group."
"Mutations can occur when a single nucleotide is replaced or deleted during DNA replication."