| 单词 | nucleotides |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔dATP〕One of the two purine nucleotides that are used to synthesize DNA.脱氧腺苷三磷酸：用来合成脱氧核糖核酸的两个嘌呤核苷酸之一美国传统〔dCTP〕One of the two pyrimidine nucleotides that are used to synthesize DNA.脱氧胞苷三磷酸：用来合成脱氧核糖核酸的两个嘧啶核酸之一美国传统〔dGTP〕One of the two purine nucleotides that are used to synthesize DNA.脱氧胞苷三磷酸：用来合成脱氧核糖核酸的两个嘌呤核苷酸之一美国传统〔dTTP〕One of the two pyrimidine nucleotides that are used to synthesize DNA.脱氧胸腺嘧啶三磷酸：用来合成脱氧核糖核酸的两个嘧啶核苷酸之一美国传统〔deletion〕Genetics The loss, as through mutation, of one or more nucleotides from a chromosome.【遗传学】 缺失，中间缺失：由于变异等原因导致染色体中一个或多个核苷酸的缺失美国传统〔exonuclease〕Any of a group of enzymes that catalyze the hydrolysis of single nucleotides from the end of a DNA or RNA chain.核酸外切酶：从脱氧核糖核酸链或核糖核酸链的末端催化单核苷酸水解的一种酶美国传统〔insertion〕Genetics The addition, as by mutation, of one or more nucleotides to a chromosome.【遗传学】 染色体突增：由于突变而使染色体增加一个或多个核苷酸美国传统〔oligonucleotide〕A short polymeric chain of two to ten nucleotides.低（聚）核苷酸：由两个到十个核苷酸构成的一条短聚体链美国传统〔point mutation〕A mutation that affects only one or a few nucleotides in a gene.基因点突变：在一个基因中，只影响一个或几个核苷酸的突变美国传统〔polynucleotide〕A polymeric compound consisting of a number of nucleotides.多（聚）核苷核：由许多核苷酸构成的一种聚合化合物美国传统〔reading frame〕One of the three possible ways in which an mRNA sequence of nucleotides can be read as a series of base triplets to specify the amino acids in a protein chain.阅读码框，读框：核苷酸的信使核糖核酸序列能被读作指定蛋白质链中胺基酸的一串碱基三联体的三种可能方式之一美国传统〔sequence〕Biochemistry The order of constituents in a polymer, especially the order of nucleotides in a nucleic acid or of the animal acids in a protein.【生物化学】 顺序：聚合物中成分的顺序，尤指核酸中核苷酸的顺序或蛋白质中动物酸的顺序美国传统〔terminator〕A sequence of nucleotides that signals the end of transcription and the completion of the synthesis of a nucleic acid molecule from a template.终止者：标志着转录终止或从核酸模板到综合分子核酸的完成的一个核苷酸序列美国传统〔triplet〕Genetics A unit of three successive nucleotides in a molecule of DNA or RNA that codes for a specific amino acid; a codon or anticodon.【遗传学】 密码子，三联密码：一个把一种专门的氨基酸，密码子或反密码子译成密码的DNA或RNA的分子中三个相接连的核苷酸的一个联合体美国传统 |
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