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高中《生物》课本105页写到:“组成 DNA 分子的碱基虽然只有四种,这四种碱基的配对方式只有两种(即 A 与 T 配对;C 与 G 配对),但是,由于它们排列
Page 105 of the Biology textbook of high school reads: "There are only four kinds of bases that make up a DNA molecule. There are only two kinds of bases (ie, A and T pair; C and G pair). However, since they arrangement