单词：purines
[化] 嘌呤
n. any of several bases that are derivatives of purine
n. a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances
purines的用法和样例：
例句
- Glycine is necessary for the synthesis of purines, and is a basic compoent of PORPHYRINS.甘氨酸在嘌呤的合成中是必不可少的，也是卟啉的基本组成。
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