dna分子复制过程中保证其准确无误进行的关键步骤是 A.解旋酶使两条链分开 b.游离的脱氧核苷酸与母链碱基互补配对 c.模板链与子链盘旋成双 Template




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tomskidna分子复制过程中保证其准确无误进行的关键步骤是 a.解旋酶使两条链分开 b.游离的脱氧核苷酸与母链碱基互补配对 coloring