Diphtheria toxin acts by:: (A) Inhibiting acetyl choline release, (B) Inhibiting glucose transport, (C) Increasing levels of cyclic AMP, (D) Inhibiting protein synthesis
Answer is D. Ans. is 'd' i.e., Inhibiting protein synthesis(Ref: Ananthanarayan, 9th/e, p. 238 and 8th/e, p. 234)An exotoxin with a similar mode of action can be produced by strains of Pseudomonas aeruginosa.