3.如图为dna分子的平面结构虚线表示碱基间的氢键.1dna的两条单链�反�平行排列两条单链间相应碱基遵循碱基互补配对原则.2磷酸 Template




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tomski3.如图为dna分子的平面结构虚线表示碱基间的氢键.1dna的两条单链�反�平行排列两条单链间相应碱基遵循碱基互补配对原则.2磷酸 coloring