This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Kerbs Cycle, Subject name: Biochemistry
[{'content': 'Which of the following is the products formed from alcohol but not the intermediates of TCA cycle/ glycolysis: (PGI Dec 2006) \nSelect and explain. \nA. Acetaldehyde, B. Pyruvate, C. Lactate, D. Oxalate', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: A (Acetaldehyde) Acetaldehyde is formed from alcohol but it is not intermediate ofTCA cycleQ Malate & oxalate are intermediates in TCA cycle (Harper27th/14 7) whereas pyruvate & lactate are intermediates in glycolysisfHarper 27th/lS3)Ethanol + NADPH + H+ + O2 MEOS AcetaldehydeFig. Metabolic pathway of alcohol', 'role': 'assistant'}]