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: Unknown
[{'content': 'Pyruvate can be a substrate for - \nSelect and explain. \nA. Fatty acid synthesis, B. TCA cycle, C. Cholesterol synthesis, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e. All of the abovePyruvateo It is a degradation product of glucose (glycolysis) and glycogenic amino acids. It can be converted to glucose (gluconeogenesis through oxaloacetate) and acetyl CoA (therefore all biosynthetic products which arise from acetyl CoA)", 'role': 'assistant'}]