这很重要，因为酶的氨基酸序列是由基因决定的。
This is significant, because the amino acid sequence of an enzyme is determined by genes.
但当我们用化学方法分析这些细胞时，我们发现了一些非常有趣的东西，其中有一种化学物质，是一种叫做端粒酶的酶。
But when we analyze these cells chemically, we find something very interesting, a chemical in them, an enzyme called telomerase.
首先，至少在大西洋和太平洋鱼类种群中观察到的一些酶的差异不是随机的，而是进化适应的结果。
First, at least some of the observed differences between the enzymes of the Atlantic and Pacific fish populations were not random, but were the result of evolutionary adaptation.
经凝胶电泳分析，发现四对实验对象中有两对的酶的氨基酸序列略有差异。
Analysis by gel electrophoresis revealed slight differences in amino acid sequence of the enzymes of two of the four pairs.
他们感染了产生肺炎克雷伯氏菌碳青霉烯酶的细菌。
They were infected with bacteria producing the enzyme klebsiella pneumoniae carbapenemase.
研究了烟曲霉植酸酶的酶学特性。
The enzymatic characteristics of phytase from Aspergillus fumigatus were studied.
磷酸丙糖异构酶的结构复杂。
二脱氧核苷酸是DNA聚合酶的链延长抑制剂。
Dideoxynucleotide is chain-elongating inhibitor of DNA polymerase.
结果表明，酶活性的增加是由新酶的从头合成引起的。
It was demonstrated that the increase is due to de novo synthesis of fresh enzyme.
采用酶动力学方法研究了对羟基肉桂酸对酪氨酸酶单酚酶的抑制效应。
The inhibitory effects of 4-hydroxycinnamic acid on the activity of monophenol oxidase in tyrosinase were studied using enzymological kinetic method.
这7个类似还原酶的基因为串联排列。
The 7 DFR-like genes were found to be arranged in a tandem array.
结果表明，随着栽培密度的增加，籽粒中磷酸酯酶的含量增加。
The results show that with the increase of culture density, phosphatidate phosphatase in grains increases.
这种物质似乎与一种名叫过氧化氢酶的酶有关。
That something seems to be related to an enzyme called catalase.
他们发现当癌细胞无法制造酶的时候，就会被杀死。
They found that when the tumor couldn't make the enzyme, it died.
这能有助于一种叫做肉碱乙酰转移酶的线粒体酶的活动。
These help a mitochondrial enzyme called carnitine acetyl transferase to do its job.
这也是许多蛋白质和酶的设计机制，Abbott博士说。
This is how many proteins and enzymes are designed, Dr. Abbott said.
整个过程中，许多叫做酶的蛋白质对反应起到催化作用。
The whole process also involves a lot of proteins called enzymes to act as catalysts to the reactions.
大约20年前，研究人员成功地分离出制造这些酶的基因。
Some 20 years ago, researchers managed to isolate the genes that make these enzymes.
这两种分子有助于被称作肉碱乙酰转移酶的线粒体酶发挥作用。
These help a mitochondrial enzyme called carnitine acetyltransferase to do its job.
在酶的帮助下，噬菌体侵入下一层细菌，如此循环直到生物膜被完全破坏。
Aided by the enzyme, the viruses then penetrate the next layer of bacteria, repeating the cycle until the biofilm is destroyed.
这使得科学家们想搞清楚是否能够通过操控这种酶的水平来控制肿瘤。
That made the scientists wonder whether they could control tumors by manipulating the levels of the enzyme.
这听起来有些道理，由于丢失了一部分胰脏通常会减少某种消化酶的产生。
This is plausible, since losing part of the pancreas often impairs the production of certain digestive enzymes.
在动物性食物方面，当获得碳水化合物组成数据时，必须仔细估量动物宰后酶的活性。
In foods of animal origin, postmortem activity of enzymes must be considered when carbohydrate composition data is obtained.
Allylix已经通过提取檀香树相关酶的基因，已经能够产业化复制生产檀香了。
Allylix has duplicated the smell of sandalwood industrially, by extracting the genes for the relevant enzymes from sandalwood trees.
血管活性肠肽只能起到短暂的效果，因为它很快就会被一种叫做中性肽链内切酶的物质分解。
VIP has only a short-lived effect, because it is soon broken down by an enzyme called Neutral Endopeptidase (NEP).
细菌有一种对病毒的防御机制：一种叫做限制性内切酶的化学物质可以切断外源dna。
Bacteria have defences against viruses in the form of chemicals called restriction enzymes, which chop up foreign DNA.
他们的发现解释了染色体末端是怎样得到端粒的保护，而端粒是在端粒酶的作用下形成的。
These discoveries explained how the ends of the chromosomes are protected by the telomeres and that they are built by telomerase.
酶的催化中心是由一组氨基酸组成，其三维结构形成活性位点，允许它高效地结合或修饰底物。
The catalytic center of an enzyme is composed of a set of amino acids whose three-dimensional arrangement forms the "active-site" that allows them to efficiently bind and modify the substrate.
酶的催化中心是由一组氨基酸组成，其三维结构形成活性位点，允许它高效地结合或修饰底物。
The catalytic center of an enzyme is composed of a set of amino acids whose three-dimensional arrangement forms the "active-site" that allows them to efficiently bind and modify the substrate.
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