| 释义 |
base pairn.（名词）- The pair of nitrogenous bases, consisting of a purine linked by hydrogen bonds to a pyrimidine, that connects the complementary strands of a DNA molecule or of a double-stranded RNA molecule. The base pairs are adenine-thymine and guanine-cytosine in DNA, and adenine-uracil and guanine-cytosine in RNA.碱基对：含氮的碱基对，它由通过氢键与嘧啶相连的嘌呤组成，嘧啶是与互补的去氧核糖核酸分子串成双绞的核糖核酸分子串相连。碱基对是在去氮核糖核酸中的腺嘌呤-胸腺嘧啶和鸟嘌呤-胸嘧啶，和核糖核酸中的腺嘌呤-尿嘧啶和鸟嘌呤-胞嘧啶
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