在生物体内某些重要化合物的元素组成和功能关系如下图所示其中xy代表元素abc是生物大分子请据图分析回答 1单体a是 单体 Template




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tomski在生物体内某些重要化合物的元素组成和功能关系如下图所示其中xy代表元素abc是生物大分子请据图分析回答 1单体a是 单体 coloring