细菌共有的特征是(   )   A、光学显微镜下可见 B、无线粒体,

细菌共有的特征是(  

  A、光学显微镜下可见  B、无线粒体,进行无氧呼吸

  C只有一个染色体组   D、能寄生,也有DNA复制

答案

A

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