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
Insulin decreases: 
Select and explain. 
A. Glucose uptake, B. Glycogen synthesis, C. Protein synthesis, D. Lipolysis
D: Lipolysis
Answer: D: Lipolysis 
Explanation: Lipolysis