Another proteolytic enzyme , trypsin, is quite inactive at that PH but functions effectively at a PH of 8

另一种蛋白质水解酶--胰蛋白酶在此PH时活性甚低而在PH8时效率最高。

属类：综合句库--

An enzyme that catalyzes the hydrolysis of maltose to glucose.

麦芽糖酶一种用以催化麦芽糖水解成葡萄糖的酶

属类：综合句库--

With few exceptions, enzyme -catalyzed reactions are performed at pH values near neutrality and at temperatures between 20 and 40oC

酶催化的反应要在接近中性的PH值和20-40°C温度范围内进行,几乎毫无例外。

属类：化学及生命科学-化学-

An enzyme level ranging from about 0.5 to 500 or more tannase units (determined as hereinbefore described)per gram dry weight of tea may be used.

酶的用量为每克干茶叶用0.5-500或更多的丹宁酶单位(用如前所述的方法测定)。

属类：化学及生命科学-化学-

Enzyme repression was discovered by Jacques Monod in 1953

酶的阻遏作用是Monod于1953年发现的。

属类：综合句库--

The enzyme may exist in two interconvertible, active forms which possess different activation energies

酶可以以两种相互可变的、具有不同活化能的活性形式存在。

属类：综合句库--

The enzyme immunoassay diagnostic procedure was first described in 1971

酶免疫试验的诊断操作方法是于1971年首次描述的。

属类：综合句库--

The inactive or nearly inactive precursor of an enzyme ,converted into an active enzyme by proteolysis.

酶原酶的非活性或近似非活性的前体，通过蛋白质水解过程转变成活性酶

属类：综合句库--

rhizopus secrets this enzyme into the bread

面包酶将这种酶分泌到面包上。

属类：综合句库--

An enzyme in human urine that catalyzes the conversion of plasminogen to plasmin and is used in medicine to dissolve blood clots.

尿激酶人体尿液中的可促使血将酶原转代成血浆酶的酶，用于溶解血凝块的药物中

属类：综合句库--

An enzyme ,such as rennin or thrombin,that induces coagulation.

凝固酶能引起凝固作用的一种酶，如凝乳酶和凝血酶

属类：综合句库--

Thrombin is an enzyme that catalyzes the conversion of the soluble plasma protein fibrinogen to the insoluble protein fibrin

凝血酶能催化可溶性血浆纤维蛋白转化为不溶性的纤维蛋白。

属类：综合句库--

enzyme ,put up as medicaments,not containing antibiotics,hormones,alkaloids o microbial products,put up in measured doses or in forms or packings for retail sale

配制成药物的酶,不含抗生物、激素、生物碱或微生物制品,采取标准剂量装或供零售的形式或包装

属类：物品名称-化工产品-

Any enzyme that catalyzes the rearrangement of atoms within a molecule,especially one that causes the transfer of a phosphate group from one carbon atom to another.

歧化酶任何一种在一个分子内能催化原子重新排列的酶，特别是那种引起一个磷酸盐基从一个碳原子向另一个碳原子转移的酶

属类：综合句库--

First Millennium’s researchers search the huge public genome database for snippets of DNA that resemble the known ACE enzyme

千年制药公司的研究人员在庞大的公共基因组库中寻找与已知的ACE酶相似的DNA片段。

属类：综合句库--

An enzyme present in certain living tissues,including skeletal and heart muscle tissues,that catalyzes the breakdown of a fructose ester into triose sugars.

醛缩酶存在于某些活生理组织，包括骨骼和心脏肌肉组织中的一种生物酶，其能够催化果糖脂分解成丙糖

属类：综合句库--

With the enzymes, however, one may add to the criteria of homogeneity in solubility behaviour, sedimentation, and electrophoretic mobility, the criterion of maximal enzyme activity and freedom from other enzymatic activities.

然而,对于酶而言,除了考虑溶解过程的均匀性,沉降作用及电泳淌度这些标准外,还应该考虑最大酶活力和不参与其它酶的活动这一条标准。

属类：化学及生命科学-化学-

If the thought of a nice, hot, fresh bread roll makes your mouth water, then your body will produce saliva, which contains the enzyme , amylase, to begin to digest it.

如果想到一个香喷喷、热腾腾的新鲜面包卷而使你流口水，此时你的身体正在分泌唾液，其中就有酶，特别是淀粉酶，开始来消化这块面包卷。

属类：化学及生命科学-化工-化工原理与技术

If the enzyme activity is caused to stop at a very early stage of tea processing, then substantially unfermented or green tea is the result.

如果在茶叶加工的早期就使酶活性中止,得到的就是未发酵茶或绿茶。

属类：化学及生命科学-化学-

If all four of these criteria are satisfied, the probability that the enzyme is ‘pure’ is greatly increased.

如果这四条标准都得以满足,那么"该酶是纯的"这一可能性就会大大增加。

属类：化学及生命科学-化学-

An enzyme occurring in certain yeasts and in the intestinal juices of mammals that is capable of splitting lactose into glucose and galactose.

乳糖酶一种能将乳糖分解成葡萄糖和半乳糖的酶，它存在于某些酵母或哺乳动物的体液中

属类：综合句库--

enzymatic preparation,for tendering meat,consisting of a proteolytic enzyme (e.g.,papain)with added dextrose or other foodstuffs

软化肉用的酶制剂,由蛋白(水解)酶(例如木瓜酶)和添加葡萄糖或其他食料组成

属类：物品名称-化工产品-

These considerations have played an important role in the development of enzyme chemistry.

上述观点在酶化学的发展中起过重要作用。

属类：化学及生命科学-化学-

A substance, especially an enzyme , that initiates or modifies the rate of a chemical reaction in a living body; a biochemical catalyst.

生物催化剂能在活的体内产生化学反应或改变生物体内化学反应速度的物质，尤指酶;生物化学催化剂

属类：综合句库--

Biochemists use kinetics to study rates of enzyme -catalyzed reactions

生物化学家们应用动力学研究酶催化反应的速率。

属类：综合句库--

The five piglets, born on Christmas Day, lack a gene for an enzyme that adds a sugar to the surface of pig cells

圣诞节出生的这5只小猪,缺少一种使猪的细胞表面加上某种糖类物质的酶的基因。

属类：综合句库--

Method for determination of glucose in food--Enzyme --colorimetric method and enzyme-electrode method

食品中葡萄糖的测定方法酶-比色法和酶--电极法

属类：行业标准名称-国家标准名-GB/T16285-1996

To inhibit,block,or disrupt the action of(an enzyme or other biological agent.

使减活化抑制、阻碍或破坏(酶或其它生物剂)的活动

属类：综合句库--

where X and Y are any of the 20 standard amino acids. How does the secretion of this enzyme contribute to the invasiveness of this bacterium in human tissues? Why does this enzyme not affect the bacterium itself?

式中X和Y是20种氨基酸中的任何一种。此酶的分泌是如何导致人体组织这种细菌感染的?为什么此酶不影响细菌本身?

属类：化学及生命科学-化学-化学习题

An enzyme ,such as invertase or lactase,that catalyzes the hydrolysis of disaccharides to monosaccharides.

双糖酶一种促使双糖水解成单糖的酶，如转化酶或乳糖酶

属类：综合句库--