为什么 dna 能形成双螺旋结构(并成为主要的遗传物质)而 rna 不能? 知乎 Template




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Try and sketch some of theseDiaper, Fishing net, Bank robber, Couch sofa, Noose, Dishes, Curlers, Ghost, Aquarium, Gown, view more ideas


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tomski为什么 dna 能形成双螺旋结构(并成为主要的遗传物质)而 coloring