This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Beta oxidation of fatty acids, Subject name: Biochemistry
[{'content': 'Which of the following is not a step of b-oxidation? \nSelect and explain. \nA. NADP dependent oxidation, B. FAD dependent oxidation, C. Thiolysis, D. Hydration', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 4 repetitive steps of fatty acid oxidation : 1. FAD dependent oxidation 2. Hydration 3. NAD dependent oxidation 4. Thiolysis It is NAD dependent oxidation, not NADP dependent', 'role': 'assistant'}]