An overiew of procaryotic cell structre 1. size width× length E colic( average):1.1-1.5μm×2.0-6.0μm The smallest: Nanobacteria:0.05-02u m monsteous microbe: >10-50u mAn overiew of procaryotic cell structre 1.size:width×length E.coli(average): 1.1-1.5m × 2.0-6.0  m ? The smallest: Nanobacteria: 0.05-0.2 m ? monsteous microbe: >10-50 m