one of the pairs of chemical bases joined by hydrogen bonds that connect the complementary strands of a DNA molecule or of an RNA molecule that has two strands; the base pairs are adenine with thymine and guanine with cytosine in DNA and adenine with uracil and guanine with cytosine in RNA
双语例句
The human genome contains approximately three billion chemical base pairs. 人类基因组包含大约三十亿个化学碱基对。
This specificity probably resided in the sequence of base pairs along the molecules. 这种专一性可能寄寓在分子的碱基对顺序之中。