查询词典 uracil

Suicide gene therapy is a new experimental form of cancer chemotherapy that is currently being evaluated in human trials. Cytosine deaminase is an enzyme found in a variety of bacteria and fungi where is capable of deaminating cytosine to uracil.

将某些细菌及病毒中特有的药物敏感基因转导入肿瘤细胞，使肿瘤细胞产生某些酶类，将原来无毒的抗病毒药物或化疗前体药物代谢转化成细胞毒性产物而杀伤宿主细胞，这种使肿瘤细胞自杀的基因称为&自杀基因&。

The B, C, D group each mouse right armpit department hypodermic vaccinates the H22 lump cell to hang fluid 0.2ml, after vaccinating 24h weighing, and starts the abdominal cavity injection to give the medicine: A, B group uses physiological saline 0.2ml/only (continuously to give medicine 14 days) every day, C group with 5 fluorine uracil mg/day, dilutes the density is mg/0.2ml (the 1~5th day for medicine), D group will put down with the physiological saline disappears the hitch to compound mg/only (continuously to give medicine 14 days).

依据随机化原则，将40只ICR雌性小鼠随机分为四组，分别为空白对照组，荷瘤对照组，5氟尿嘧啶组，平消栓组。B，C，D组每只小鼠右腋部皮下接种H22瘤细胞悬液0.2ml，接种24h后称重，并开始腹腔注射给药：A，B组每日用生理盐水0.2ml/只（连续给药14天），C组用5氟尿嘧啶25mg/kg（第1~5天给药），D组用生理盐水将平消栓配制成1.0g/kg（连续给药14天）。

This thesis compared the effect of Uracil, ITS, and ATP on the maturation of bovine oocytes and further development, observed the microstructure changes of oocytes and parthenogenetic embryos among different groups, and granule cell apoptosis among different groups.

本文对比了添加尿嘧啶和三价因子等试剂对牛卵母细胞成熟及后期发育的影响、观察了不同组之间成熟牛卵母细胞和孤雌激活胚胎显微结构变化和不同组之间颗粒细胞凋亡情况。

Uridine is a white, odorless powder, C9H12N2O6, which is the nucleoside of uracil, important in carbohydrate metabolism, and used in biochemical experiments.

尿苷，白色无味粉末，c9h12n2o6，是尿嘧啶中的核苷，在糖类新陈代谢作用中很重要，用于生化实验中。

Purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA.

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Purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA.

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Nucleosides are compounds composed of a purine or pyrimidine base (usually adenine, cytosine, guanine, thymine, uracil) linked to either a ribose or a deoxyribose sugar.

核苷是由嘌呤基，嘧啶基(通常是腺嘌呤，胞嘧啶，鸟嘌呤，胸腺嘧啶，尿嘧啶)与核糖或脱氧核糖相连而组成的化合物。

In DNA the corresponding sugar is the closely related deoxyribose. A ribose molecule combined with adenine, guanine, cytosine, or uracil forms a nucleoside; adding a phosphate group forms a nucleotide.

去氧核糖核酸中相应的糖类和去氧核糖密切相关核糖分子和腺嘌呤、鸟嘌呤、胞嘧啶或尿嘧啶形成核；再加上磷酸盐和磷酸酯便成为核。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷