This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Bio-Chemistry), Subject name: Biochemistry
[{'content': 'Gastric enzyme which is present in the stomach of infants but absent from stomach of adults \nSelect and explain. \nA. Pepsin, B. Rennin, C. Trypsin, D. Lipase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (B) Rennin # Rennin, also called Chymosin, is present in the stomach of infants and children.> It is involved in curdling of milk.> It converts casein to calcium paracaseinate which is digested by pepsin>It is absent in adults.', 'role': 'assistant'}]