This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Verocytotoxin of E. coli acts by - 
Select and explain. 
A. Increasing cAMP, B. Decreasing cAMP, C. Decreasing protein synthesis, D. Decreasing cGMP
C: Decreasing protein synthesis
Answer: C: Decreasing protein synthesis 
Explanation: Ans. is 'c' i.e., Decreasing protein synthesis