查询词典 catabolite

Expression of the catabolite-regulated operons shows an inverse relationship with the level of cyclic AMP, which acts by binding to the product of cap gene.

代谢调节的操纵子的表达表现了与cAMP的一种逆转关系，它通过与cap基因产物的结合来起作用。

What consequences would a mutation in the catabolite activator protein gene of E. coli have for the expression of a wild-type lac operon?

大肠杆菌的代谢激活蛋白基因突变会对野生型的乳糖操纵元的表达产生怎样的影响结果？

The catabolite activator protein binds to the ___ to regulate expression of the lac operon.

代谢激活蛋白与___结合可调节乳糖操纵元的表达

In the mixed system of culture media, because of the effect of catabolite repression and synergistic mechanism between products, the degradation of succinonitrile is promoted while the degradation of alkanes is inhibited.

在培养基混合体系中，由于分解阻遏效应和降解产物的协同效应，有利于丁二腈的降解而对烷烃降解不利。

We previously identified the lactose-inducible β-galactosidase gene in Bacillus megaterium ATCC14581 and found that it is subject to catabolite repression by glucose.

我们先前的研究证明巨型杆菌ATCC14581的β-galactosidase基因受到乳糖诱导并且会受到葡萄糖的抑制。

A conclusion can be drawn that tryptopanase expressed only by constructed plasmid during "catabolite repression".

在葡萄糖存在的条件下由于分解代谢产物阻遏，基因组上的色氨酸酶基因不表达，加入IPTG只表达质粒上的基因，如果在合适条件下测得色氨酸酶活性，则可以证明质粒上的基因能表达出有活性的色氨酸酶。

The second part in this paper, an integrated model includes catabolite repression, inducer exclusion, lactose hydrolysis to glucose and galactose, and synthesis and degradation of allolactose.

论文第二部分主要是建立了一个比较完整的乳糖操纵子模型，包含代谢物阻遏、诱导物外排、乳糖水解为葡萄糖和半乳糖、别乳糖的合成和降解，以及细胞的生长。

Bacteria often sequentially utilize coexisting carbohydrates in environment and firstly select the one easiest to metabolization. This phenomenon is known as Carbon catabolite repression.

细菌在多种碳源共存的环境中优先利用一种的现象被称为分解代谢产物阻遏效应。

It be little toxic and be not carcinogenic, teratogenic . It can be degraded by microbe, and the catabolite is harmless to human , beast and aquatic animal.

它毒性小，无致癌、致畸作用、能被微生物降解，且降解物对人畜及水生动物无害。

Here I present evidence that mutation in the gene encoding the catabolite control protein CcpA resulted in a remarkable decrease in mbgA expression from B. megaterium cells grown in the absence or presence of lactose, but had no effect on catabolite repression of mbgA.

在本研究中显示，当在有乳糖及没有乳糖存在时，分解代谢调控蛋白A 的基因突变会造成mbgA基因的表现受到抑制，但是却不会影响mbgA基因的分解代谢抑制作用。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。