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': 'During exercise, which of the following is decreased? \nSelect and explain. \nA. Oxidation of fatty acids, B. Glucagon release, C. Glycogenolysis, D. Lipogenesis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Oxidation of fatty acids, glucagon release\xa0and glycogenolysis are all increased to provide energy sources for exercising muscle. The synthesis of lipid (lipogenesis) would be decreased during periods of exercise.', 'role': 'assistant'}]