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: Biochemistry
[{'content': 'Carbamoyl phosphate synthase I is used in ? \nSelect and explain. \nA. Purine synthesis, B. Pyrimidine synthesis, C. Urea cycle, D. Uronic acid pathway', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Urea cycleCarbamyl phosphate synthase I Urea cycleCarbamyl phosphate synthase II- Pyrimidine synthesis", 'role': 'assistant'}]