Phage encoded exotoxin fo vibrio cholerae resembles which toxin of E. coli ?
Ans. is 'a' i.e., Heat labile toxin Heat labile toxin of E. coli and cholera toxin resemble each other in their structure, antigenic propeies and mode of action. Both act by activating adenyl cyclase in the enterocyte to form cyclic adenosine 5' monophosphate (c AMP). Heat stable toxin of E. coli acts by activation of cyclic guanosine monophosphate (c GMP) in the intestine.
Heat labile toxin
Heat stable toxin
Shiga like toxin
Verocytotoxin