<prompt> TRUE regarding cholera is -Toxin acts on GM 1 receptorToxin action is cAMP mediatedPeritrichate flagellaUtilises arginine and lysine  <response>: Ans. is b i.e., Toxin action is cAMP mediated V. cholerae produces cholera toxin, the model for enterotoxins, whose action on the mucosal epithelium is responsible for the characteristic diarrhoea of the cholera. 