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 reaction is due to lipid peroxidation ? \nSelect and explain. \nA. Saponification, B. Rancidity, C. Hydrogenation, D. Soap formation', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Rancidity Peroxidation (auto-oxidation) of lipids exposed to oxygen is responsible not only for deterioration of foods (rancidity) but also for damage to tissues in vivo. Lipid peroxidation is a chain of reaction generating free radicals that initiate fuher peroxidation.", 'role': 'assistant'}]