This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urea cycle, Subject name: Biochemistry
[{'content': 'In ureotelic animals, carbamoyl group are transferred to:- \nSelect and explain. \nA. Urea, B. Uric acid, C. Ornithine, D. Creatine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The question is asking about the first step of the urea cycle in an indirect way (See Fig). Based on how nitrogen is excreted, animals are divided into 3 categories. Ammoniotelic animals - Animals that excrete ammonia. e.g. Fishes Ureotelic animals - Animals which excrete urea e.g. Mammals including man Uricotelic - Animals that excrete uric aciduric acid. e.g. Birds', 'role': 'assistant'}]