词族 · purine
词形变化
英语词源
- purine (n.)
- 1898, from German purin (Fischer), said to be from Latin purum, neuter of purus "clean, pure" (see pure) + Modern Latin uricum "uric acid" + chemical suffix -ine (2).
权威例句
- 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.
- 2. 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.
- 3. The analytic method ( HPLC ) of purine compounds content in beer was developed.
- 建立了 高效液相色谱 法测定啤酒中嘌呤类物质含量的分析方法.
- 4. Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.
- 腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).
- 5. Caffeine, a purine alkaloid, is a key component of tea and coffee.
- 咖啡因是一种嘌呤生物碱, 存在于茶和咖啡中.