264. E. coli and example of Enterobacteriaceae is important for causing diarrheal diseases its size is: September 14, 2025 by Admin 0.1-600 um 100-200 nm 1.1-1.5 um (width) 2.0-6.0 um (length) 0.75-1.25 um ✅ The correct answer is option C.