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': 'The enzyme deficient is Lesch-Nyhan syndrome is: \nSelect and explain. \nA. GT, B. Glutaminase, C. Transcarboxylase, D. HGP', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. HGP', 'role': 'assistant'}]