题目内容

测量细菌大小的单位是

A. 厘米
B. 毫米
C. 微米
D. 纳米
E. 分米

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只有在电子显微镜下观察到的细菌结构是

A. 荚膜
B. 菌毛
C. 鞭毛
D. 芽胞
E. 异染颗粒

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