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': 'All are true about denatured proteins except: \nSelect and explain. \nA. Amino acid sequence remains intact, B. The biological function remains intact, C. The isoelectric pH changes, D. Recovery after denaturation is not possible', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Biological function remains intact', 'role': 'assistant'}]