“腺嘌呤”造句

只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.
There are just four kinds: adenine, thymine, guanine and cytosine.

腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).
Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA.

尿嘧啶 -- 核糖核酸中的一种嘧啶,与腺嘌呤形成碱基对.
Uracil -- a pyrimidine found in RNA that base - pares with adenine.

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