Atgcu碱基的化学式?它们之间的氢键是怎么形成的?为什么at是两根,gc是三根�? 知乎 Template




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anonymous
anonymous
sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )


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tomskiatgcu碱基的化学式?它们之间的氢键是怎么形成的?为什么at是两根,gc是三根�? 知乎 coloring