Cholera & Prokaryotic Cells notes on Cholera, aqa AS Biology Unit 1 3.0 / 5 based on 1 rating ? BiologyHealth, illness and diseaseASAQA Created by: StephanieCreated on: 12-05-12 15:22 Cholera/Prokaryote structure An example of a prokaryotic organism: Has cell wall Plasmids Circular DNA (no nucleous) 60s rather than 70s ribosomes Flagellum for movement Capsule (slime layer against immune system) 1 of 2 How Cholera works Produces a toxin when infected digestive system Causes chloride ion protein channels in intestinal epithelium to open Chloride ions diffuse into lumen, lowering the water potential Water moves out of blood and into lumen by osmosis Causes bad diorrheoa and dehydration 2 of 2
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