. "0"^^ . . "14630769-n"^^ . . "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"@en-us . "113793433"@en-us . "0"^^ . . "114630769"^^ . . . . . . . "base pair"@en-us . "base pair"^^ .