E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is____________? August 9, 2021May 12, 2018 by admin E. coli and example of entrobacteriace is important for causing diarrheal diseases its size is____________? A. 0.1-600 um B. 100-200 nm C. 1.1-1.5 um (width) 2.0-6.0 um (length) D. 0.75-1.25 um