The toxins from cholera and whooping cough both interfere with the proper functioning of ________.
A)G proteins
B)DNA polymerase
C)ATP synthesis
D)protein kinase A

Question

Quizplus · Accepted Answer

The toxins from cholera and whooping cough both interfere with the proper functioning of G proteins. Cholera toxin modifies the alpha subunit of G proteins, leading to their continuous activation and overproduction of cyclic AMP, while the pertussis toxin from whooping cough prevents the G protein from inhibiting adenylyl cyclase activity, leading to elevated cyclic AMP levels. This disrupts normal cellular signaling pathways and can result in symptoms such as severe diarrhea and coughing spells.

The Toxins from Cholera and Whooping Cough Both Interfere with the Proper