下图表示dna分子结构的片段下列叙述正确的是a.双螺旋结构使dna分子具有较强的特异性 B.dna的一条单链上相邻碱基之间以氢键连接 c.� Template




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tomski下图表示dna分子结构的片段下列叙述正确的是a.双螺旋结构使dna分子具有较强的特异性 b.dna的一条单链上相邻碱基之间以氢键连接 c.� coloring