下图为dna分子结构模式图dna一般为规则的双螺旋结构两条链上的碱基按碱基互补配对原则即a与tc与g配对 碱基靠氢键连接如图中 Template




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tomski下图为dna分子结构模式图dna一般为规则的双螺旋结构两条链上的碱基按碱基互补配对原则即a与tc与g配对 碱基靠氢键连接如图中 coloring