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
[{'content': 'Pseudomonas toxin acts by: \nSelect and explain. \nA. |cAMP, B. |cAMP, C. |Protein synthesis, D. |cGMP', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is. 'c' i. e., |Protein synthesis", 'role': 'assistant'}]