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
Amatoxins in mushroom poisoning acts by inhibiting- 
Select and explain. 
A. DNA, B. mRNA, C. Adenosine, D. G-proteins
B: mRNA
Answer: B: mRNA 
Explanation: Ans. is 'b' i.e., mRNA o Late mushroom poisoning (Amanita phalloides) is due to inhibition of RNA and protein synthesis.