This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
[{'content': 'Meister cycle uses: \nSelect and explain. \nA. ALT, B. AST, C. GGT, D. Alkaline Phosphatase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. GGTGamma Glutamyl Cycle (Meister cycle)', 'role': 'assistant'}]