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: Pharmacology
[{'content': 'Amatoxins in mushroom poisoning acts by inhibiting- \nSelect and explain. \nA. DNA, B. mRNA, C. Adenosine, D. G-proteins', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., mRNA o Late mushroom poisoning (Amanita phalloides) is due to inhibition of RNA and protein synthesis.", 'role': 'assistant'}]