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': 'Which of the following is not a phase I Reaction: \nSelect and explain. \nA. Oxidation, B. Reduction, C. Hydrolysis, D. Conjugation', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Conjugation', 'role': 'assistant'}]