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': 'In a centrifugal distribution, protein that is precipitated first is: \nSelect and explain. \nA. Fibrous, B. Globular, C. Completely disorganized, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Fibrous', 'role': 'assistant'}]