| 释义 |
purines 释义 n. [有化]嘌呤(purine 的复数) 例句 1·Adenine and guanine are purines and cytosine and thymine are pyrimidines. 腺嘌呤和鸟嘌呤是嘌呤和胞嘧啶和胸腺嘧啶是嘧啶。 2·In fact PNA - DNA duplexes show significantly increased stability when the purines are in the PNA strand. 事实上,当嘌呤存在于肽核酸的链上时,肽核酸- DNA二聚体的稳定性会大大增加。 3·The most abundant bases are cytosine, thiamine, and uracil (pyrimidines) and adenine and guanine (purines ). 最丰富的碱基是胞嘧啶,胸腺嘧啶,尿嘧啶,腺嘌呤和鸟嘌呤。
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