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: Physiology
[{'content': 'Insulin decreases: \nSelect and explain. \nA. Glucose uptake, B. Glycogen synthesis, C. Protein synthesis, D. Lipolysis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Lipolysis', 'role': 'assistant'}]