| 单词 | polypeptide |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔actinomycin〕Any of various red, often toxic, polypeptide antibiotics obtained from soil bacteria.放线菌素：一种从土壤细菌中提取的红色的，通常是有毒的多肽抗生素美国传统〔activin〕A polypeptide growth factor that is synthesized in the pituitary gland and the gonads and stimulates the secretion of follicle stimulating hormone.活化素，促进抑制素：一种多肽生长因子，在垂体和性腺中合成并刺激促卵泡激素的分泌美国传统〔aminopeptidase〕Any of various enzymes that catalyze the hydrolysis of the terminal peptide bond at the amino end of a polypeptide.胺基肽酵素，胺基肽酶：催化多肽胺基末端的终端肽键水解的任一种酶美国传统〔angiotensin〕Either of two polypeptide hormones, one of which is a powerful vasoconstrictor, that function in the body in controlling arterial pressure.血管收缩素，高血压素：两种多肽激素，其中一种是有效的血管收缩素，在体内控制动脉血压美国传统〔carboxypeptidase〕An enzyme that catalyzes the hydrolysis of a terminal amino acid from the end of a peptide or polypeptide that contains a free carboxyl group.羧肽酶：一种酶，在含有游离羧基肽或多肽的末端水解氨基酸过程中起催化作用美国传统〔cathepsin〕Any of various proteolytic enzymes found in animal tissue that catalyze the hydrolysis of proteins into polypeptides.组织蛋白酶：一种见于动物组织中的起蛋白水解作用的酶，能催化蛋白质水解转化为多肽美国传统〔chalone〕Any of several polypeptides that are produced by a body tissue and that cause the reversible inhibition of mitosis in the cells of that tissue.抗内分泌素：一种由肌体组织产生的，能使该组织细胞的有丝分裂产生可逆性抑制的多肽美国传统〔chymotrypsin〕A pancreatic digestive enzyme that catalyzes the hydrolysis of certain proteins in the small intestine into polypeptides and amino acids.胰凝乳蛋白酶：胰消化酶，在小肠中催化某些蛋白质水解形成多肽和氨基酸美国传统〔cistron〕A section of DNA that contains the genetic code for a single polypeptide and functions as a hereditary unit.顺反子：包含一个单一多肽基因编码的DNA片断，用作一个遗传学单位美国传统〔code〕Genetics To specify the genetic code for an amino acid or a polypeptide.【遗传学】 指定遗传密码：确定氨基酸或多肽的遗传密码美国传统〔endopeptidase〕Any of a large group of enzymes that catalyze the hydrolysis of peptide bonds in the interior of a polypeptide chain or protein molecule.肽链内切酶：在多肽链或蛋白分子内部加速肽键水解的任何较大的酶群美国传统〔erepsin〕An enzyme complex found in intestinal and pancreatic juices that functions in the breakdown of polypeptides into amino acids.肠肽酶：肠内分泌物和胰液中的一种酶合成物，在将多肽分裂成氨基酸的过程中起作用美国传统〔exopeptidase〕Any of a group of enzymes that catalyze the hydrolysis of single amino acids from the end of a polypeptide chain.链肽端解酶：能使肽链末端氨基酸形成的肽键水解的一组酶之一美国传统〔kinin〕Any of various structurally related polypeptides, such as bradykinin, that act locally to induce vasodilation and contraction of smooth muscle.激肽：一种结构上相关的多肽，例如缓激肽，能够局部地导致血管扩张和平滑肌的收缩美国传统〔octapeptide〕A polypeptide, such as angiotensin, that is composed of eight amino acids.八肽：由八种胺基酸组成的一种多肽，如血管紧张肽美国传统〔pentapeptide〕A polypeptide composed of five amino acids.由五个氨基酸构成的多肽美国传统〔proinsulin〕A single-chain polypeptide that is the precursor of insulin, converted into insulin by enzymatic action.胰岛素原：单健的多酞，是胰岛素的前体，通过酶的作用变成胰岛素美国传统〔proteinase〕A protease that begins the hydrolytic breakdown of proteins usually by splitting them into polypeptide chains.蛋白酶：一种蛋白酶，通过把蛋白质分裂成多肽链后开始蛋白质水解美国传统〔proteinoid〕A proteinlike polypeptide formed abiotically from amino acid mixtures in the presence of heat, thought to resemble early evolutionary forms of protein.类蛋白质：一种类似蛋白质的多肽，由氨基酸混合物受热后以无生命的形式形成，人们认为它类似于蛋白质进化过程中的早期阶段美国传统〔secretin〕A polypeptide hormone produced in the duodenum, especially on contact with acid, to stimulate secretion of pancreatic juice.分泌腺：在十二指肠中产生的多肽荷尔蒙，尤指一经与酸接触便刺激胰液分泌的那种美国传统〔transfer factor〕A polypeptide secreted by lymphocytes that is capable of transferring immunity from one cell or individual to another.转移因子：一种由淋巴细胞分泌的多肽，能把一种细胞或个体的免疫性转到另一种细胞或个体中美国传统〔translation〕Biology The process by which messenger RNA directs the amino acid sequence of a growing polypeptide during protein synthesis.【生物学】 转录：核糖核酸信号在蛋白质化合中引导一个正在生成的多肽氨基酸序列的过程美国传统〔tropocollagen〕The molecular component of a collagen fiber, consisting of three polypeptide chains coiled around each other.原胶原（蛋白）：胶原纤维之组成分子，由三条互相盘绕在一起的多肽链组成美国传统〔trypsin〕An enzyme of pancreatic juice that hydrolyzes proteins to form smaller polypeptide units.胰蛋白酶：水解蛋白质以形成较小多肽单位的胰液酶美国传统 |
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