19.下列有关原核生物和真核生物及结构的描述正确的是 A.青霉菌具有生物膜系统b.大肠杆菌基因的转录仅�生在拟核区c.硝化细菌不能进行有 Template




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tomski19.下列有关原核生物和真核生物及结构的描述正确的是 a.青霉菌具有生物膜系统b.大肠杆菌基因的转录仅�生在拟核区c.硝化细菌不能进行有 coloring