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purine

英 ['pj??ri?n]
  • n. [有化] 嘌呤(四氮雜茚,尿雜環(huán));咖啡堿

英文詞源


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).

雙語例句


1. The purine and pyrimidine may be complexed with a sugar to produce a nucleoside.
嘌呤和嘧啶可以同一個糖復合,產(chǎn)生一個核苷.

來自辭典例句

2. The substitution of a purine for a pyrimidine, or vice versa is a transversion.
嘌呤為嘧啶取代或嘧啶為嘌呤所取代,叫做顛換.

來自辭典例句

3. The analytic method ( HPLC ) of purine compounds content in beer was developed.
建立了 高效液相色譜 法測定啤酒中嘌呤類物質(zhì)含量的分析方法.

來自互聯(lián)網(wǎng)

4. Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.
腺嘌呤:在DNA和RNA中發(fā)現(xiàn)的含氮的堿基 ( 6 - 氨基嘌呤 ).

來自互聯(lián)網(wǎng)

5. Caffeine, a purine alkaloid, is a key component of tea and coffee.
咖啡因是一種嘌呤生物堿, 存在于茶和咖啡中.

來自互聯(lián)網(wǎng)