下列有关大肠杆菌的叙述中正确的是a大肠杆菌没有生物膜结构为原核生物b大肠杆菌中有两种核酸但遗传物质只有一种c大肠杆菌的可遗传变异 Template




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tomski下列有关大肠杆菌的叙述中正确的是a大肠杆菌没有生物膜结构为原核生物b大肠杆菌中有两种核酸但遗传物质只有一种c大肠杆菌的可遗传变异 coloring