图为dna分子结构示意图下列描述正确的是 A.�和�相间排列构成了dna分子的基本骨架b.�的名称是鸟嘌�脱氧核苷酸c.�表示氢键� Template


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tomski图为dna分子结构示意图下列描述正确的是 a.�和�相间排列构成了dna分子的基本骨架b.�的名称是鸟嘌�脱氧核苷酸c.�表示氢键� coloring