您要查找的是不是：
- histidine operon 组氨酸操纵子
- Objective To clone and express the Trp operon gene of E. 目的克隆并表达大肠杆菌色氨酸操纵子基因,提高其酶活性。
- Then the remaining histidine was assessed after Pauly reaction. 不同浓度药物致组氨酸光氧化反应程度间有显著性差异(P<0.;01)；
- When the second operon with OC mutation, it will continue to express. 当第二个操纵子带有OC突变时，它将持续表达。
- Other:The dyewood is known as the suppression histidine decarboxylase,the catecha phenol-O-methyl shift enzyme action. 其它:染料木素有抑制组氨酸脱羧酶;儿茶酚-O-甲基转移酶作用.
- In this paper,the Monod lactose operon modelis described as a computer program by BASIC language. 本文用BASIC语言设计Monod操纵子数学模型的电子计算机程序。
- In this paper, we studied hydrolysis of p nitrophenyl esters of carbobenzoxy phenyl by decanyl L histidine catalyst. 研究了癸酰基-L-组氨酸催化下的苄酯基-N-苯丙氨酸对硝基苯酚的类酶催化反应。
- The thermokinetics of solid liquid reaction of zinc sulfate with histidine are studied using a microcalorimeter. 用微热量计对硫酸锌与组氨酸在水中的固液反应进行了热动力学研究。
- The lac operon is an inducible operon, whereas the trp operon is a repressible operon. 乳糖操纵元是可诱导的操纵元；色氨酸操纵元是可阻遏的操纵元。
- Five novel histidine modified porphyrins were synthesized by reaction of corresponding pyrrole with aldehyde. 摘要通过吡咯和相应的醛合成了五个新型的以组氨酸修饰的卟啉类化合物。
- Glucose blocks induction of the lac operon by utilizing a positive control mechanism. 葡萄糖通过正调控机制阻止乳糖操纵元的诱导。
- Using a modified random arbitrarily primed PCR approach, the operon encoding the Enterococcus faecal ... 用改进的随机随机引物PCR的方法，操纵子编码的肠球菌粪便 ...
- During the taking of Kangguominyao Jishi cheese, meat and other foods rich in histidine. 服用抗过敏药物期间忌食奶酪、肉制品等富含组氨酸的食物。
- We are looking to source methionine, histidine, leucine and valine for animal feed. ... 查看“农业-动物饲料-其他”:公司信息商品信息供应信息
- Consequently, if glucose is present in the medium, it is redundant to induce the lac operon. 因此，如果培养基中存在葡萄糖，诱导乳糖操纵元的打开就是多余的。
- We have completed experiment of causing mutation to the mouse typhoid germs of variant and histidine defect. 而健康小儿血液各项生化指标的变化,揭示本品可显著提高血液中碱性磷酸酶和红细胞水平。
- The conjugation of histidine onto helper lipid enhances transgene expression contrast with unmodified liposomes. 而经由组氨酸修饰后的微脂粒相对于未修饰之微脂粒，其能增进基因表现效率。
- Bleaching of RNO is promoted by the rising of the concentration of histidine or imidazole. 随着组氨酸或咪唑浓度的增加，RNO脱色反应增大；
- Operon is a unit of bacterial gene expression and regulation, including structural genes and cis-acting control elements in DNA recognized by regulator gene product(s). 控制某一代谢途径的相关基因,紧密连锁地排列在一起,受同一操纵子控制。
- Plasma concentrations of excitatory amino acids serine, glycine, taurine and histidine in major depression. 血浆兴奋性氨基酸，丝氨酸，甘氨酸，牛磺酸和组氨酸的抑郁症。
