Pseudomonas exotoxin inhibits protein synthesis by inhibiting ?
Ans. is 'b' i.e., EF-2 Exotoxin 'A' of P. aeruginosa inhibits protein synthesis through interference with adenosine diphosphate ribosylation of elongation factor - 2. Remember Bacterial toxins inhibiting protein synthesis : Exotoxin A of P aeruginosa Shiga toxin (Shigella) Diphtheria toxin Shiga like toxin or verocytotoxin of EHEC.
RNA polymerase
EF-2
Transpeptidase
Reverse transcriptase