柯林斯詞典adenine /??d?n?n, -?ni?n, -?na?n/ 1. N a purine base present in tissues of all living organisms as a constituent of the nucleic acids DNA and RNA and of certain coenzymes; 6-aminopurine. Formula: C5H5N5; melting pt: 360–365°C 腺嘌呤 返回 adenine劍橋詞典a substance that is found in DNA and RNA 腺嘌呤（存在于去氧核糖核酸和核糖核酸中的一種物質(zhì)） 返回 adenine