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- purine pyrimidine metabolism inborn error 先天性嘌呤嘧啶代谢异常
- The substitution of a purine for a pyrimidine, or vice versa is a transversion. 嘌呤为嘧啶取代或嘧啶为嘌呤所取代,叫做颠换。
- Base pairing The bonding relationship between purine and pyrimidine bases in the nucleotides of DNA and RNA. 碱基配对:在DNA和RNA的核苷酸中,嘌呤和嘧啶之间相匹配的关系。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The purine and pyrimidine may be complexed with a sugar to produce a nucleoside. 嘌呤和嘧啶可以同一个糖复合,产生一个核苷。
- A nucleotide consisting of one molecule each of a phosphoric acid,a sugar,and either a purine or a pyrimidine base. 单核苷酸磷酸、糖、嘌呤或嘧啶碱基中的一种,它组成的一个分子的苷酸
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- A nucleotide consisting of one molecule each of a phosphoric acid, a sugar, and either a purine or a pyrimidine base. 单核苷酸磷酸、糖、嘌呤或嘧啶碱基中的一种,它组成的一个分子的苷酸
- Adenine has a purine ring structure. 腺嘌呤具有嘌呤环的结构。
- Ozone also in the role of nuclear material within cells, such as nucleic acids in DNA purine and pyrimidine destruction. 臭氧还作用于细胞内的核物质,如核酸中的嘌呤和嘧啶破坏DNA。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Purine rich foods are on the top of the table. 嘌呤丰富的食物是表格上方的。
- The ratio of men to women was two to one. 男女的比例是二比一。
- The synthesis processes of purine,pyrimidine,and thymidylic acid in organism and the metabolism processes of cells are always accompanied by one carbon unit transfer reaction. 生物体内嘌呤、嘧啶、胸苷酸等的合成以及细胞的代谢过程都伴随有一碳单元转移反应。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- Uracil -- a pyrimidine found in RNA that base-pares with adenine. 尿嘧啶--核糖核酸中的一种嘧啶,与腺嘌呤形成碱基对。
- The strike is the ultima ratio of Trade Unionism. 罢工是工联主义的最后手段。
- The cross ratio he called anharmonic ratio. 他把交比叫作非调和比。