Many enzymes are composed of several subunits, and some have binding and catalytic functions encoded by different domains.

許多酶是由幾個基組成，有些具有不同區(qū)域形成的結(jié)合和催化功能。

But the enzymes that govern biochemistry are such precise tools that, often, only one-handedness is acceptable.

可是，在生物化學(xué)界占支配地位的酶，恰恰是這樣一種往往只能接受某一手性的精密工具91视频在有。

Myonecrosis after revascularization procedures［J］. J Am Coll Cardiol,1998,31:241251.［3］Tardiff BE, Califf RM, Tcheng JE, et al. Clinical outcomes after detection of elevated cardiac enzymes in patients undergoing percutaneous intervention［J］. J Am Coll Cardiol,1999,33:8896.［4］Simoons ML, Van den Brand M, Lincoff M, et al. Minimal myocardial damage during coronary intervention is associated with impaired outcome［J］.

研究顯示，PCI術(shù)后往往伴隨一定的心肌損傷国产www视频，發(fā)生率約為5%～40%久久人人网国产精品，臨床表現(xiàn)為心肌損傷標(biāo)記物水平的升高［17］；這種心肌損傷在大部分患者并不產(chǎn)生明顯的臨床癥狀和心電圖變化www.mmm在线观看，對其心臟功能也無明顯影響国产精品永久免费在线观看，但是對患者的預(yù)后卻有不良影響，使死亡率及不良事件發(fā)生率升高［38］色网站性感污。

The biomass production of grafted seedlings, activities of antioxidant enzymes and contents of proline and soluble protein in leaves of grafted seedlings were significantly higher than those of own-root seedlings, while O2(superscript -) production rate, contents of H2O2 and MDA in leaves of grafted seedlings were significantly lower than those of own-root seedlings under Ca(NO3)2 stress.

結(jié)果表明性色欲情免费网站，Ca(NO3)2脅迫明顯抑制植株生長，顯著提高植株抗氧化酶活性玖玖视频久久，顯著增加植株O2生成速率以及H2O2欧美激情一级黄片搜索、MDA、脯氨酸和可溶性蛋白含量，但脅迫后嫁接苗的生物量顯著高于自根苗久久久久久久久毛片，抗氧化酶活性有亚洲一级黄色视频、脯氨酸和可溶性蛋白含量均顯著高于自根苗，而O2生成速率毛片无码高潮喷白浆视频、H2O2和MDA含量則顯著低于自根苗亚洲熟女精品一区二区三区。

Compared with the ck, the sugar accumulation increased extremely significant by grafting with the wild watermelon 2, but that of the other treatments all decreased and the sugar accumulation of loofah/Zaojia was the lowest. The sucrose invertase activity decreased; the activitives of sucrose phosphate synthase and net for sucrose-metabolism enzymes all increased during the development of own-rooted and grafted watermelons.

與對照相比，野生西瓜2號／早佳組合的果實糖積累極顯著增高亚洲中文字幕第一页精品，而其他嫁接組合的糖積累均降低樱桃视频ios下载，絲瓜／早佳組合的果實糖含量最低；自根和嫁接西瓜果實發(fā)育過程中蔗糖轉(zhuǎn)化酶活性降低超彭免费，蔗糖磷酸合酶活性升高国产美女高潮流白浆视频18，蔗糖合酶在西瓜果實發(fā)育后期主要起合成作用，促進果實蔗糖積累欧美BBW撒尿特写，蔗糖代謝相關(guān)酶凈活性值增大日本熟妇乱人伦A片视频。

Unilever and others have produced lipase to process palm oil to produce cocoa butter- like fat, and enzymes have also been used in the production of semi-synthetic penicillin.

Unilever公司已經(jīng)生產(chǎn)出脂肪酶，用來把棕櫚油加工成可可奶油脂肪久久精品国产91久久综合麻豆自制。酶還用在生產(chǎn)半合成的青霉素上亚洲一区二区激情在线。

Natural enzymes penetrate and break up the paraffin, asphaltenes, scale, resin and minerals that typically deposit on the walls of oil well tubing over time, restricting valuable oil and gas production.

這種生物酶能夠滲入并解除蠟，瀝青質(zhì)欧美亚洲免费二区，水垢香蕉五月天在线精品，酸液，礦物等在油井套管上沉積的物質(zhì)全国在线无码精品，這些沉積物的附著妨礙了油氣的生產(chǎn)乱子国产刺激。

Often spoilage microorganisms have specialized enzymes that help them weaken and penetrate protective peels and rinds, especially after the fruits and vegetables have been bruised.

腐敗微生物經(jīng)常有專用的酶无码欧XXXX在线观看，它可以幫助它們減弱并穿透保護性的果皮和外殼bbixx.com，特別是在水果和蔬菜被損傷口。

We named these RNA enzymes "ribozymes".

我們稱這種 RNA 為核酶日韩欧美A片一级久久72。

The activities are high in the topsoil and low in the subsoil, decrease from rhizoplane soil to root-free soil for all three enzymes.

從表層土向下国产色视频一区，由根表土向外，碳礦化速率及其相關(guān)的各種酶活性均呈下降趨勢黄页视屏在线看。