E. coli, a member of the Enterobacteriaceae that causes diarrhoeal diseases, has what size?

1. A Option A: 100–200 nm
2. B Option B: 0.1–600 µm
3. C Option C: 0.75–1.25 µm
4. D Option D: 1.1–1.5 µm (width), 2.0–6.0 µm (length)

Answer checked 11 October 2026 · How we write and check questions