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purine中文什么意思

发音:   用"purine"造句
  • n.
    【化学】嘌呤,尿(杂)环;四氮杂茚。
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例句与用法

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  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. In other words, replacement of the number 8 carbon by nitrogen in the purine ring does not eliminate activity .
    换句话说,嘌呤环上第8位碳被氮所取代并不丧失活性。
  4. In dna, four different bases are found. two of these, adenine and guanine, are double-ring structures called purines .
    在DNA中,有四种不同的基,其中的两个为腺嘌呤和鸟嘌呤,即称为嘌呤的双环结构。
  5. In dna, four different bases are found. two of these, adenine and guanine, are double-ring structures called purines .
    在DNA中,有四种不同的碱基,其中的两个为腺嘌呤和鸟嘌呤,即称为嘌呤的双环结构。

英文释义

名词
  1. a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances
  2. any of several bases that are derivatives of purine

相关词汇

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