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 a protein that is rich in basic amino acids and that functions in the packaging of DNA in chromosomes? \nSelect and explain. \nA. Histone, B. Collagen, C. Fibrinogen, D. Hyaluronic acid binding protein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Histones are proteins containing unusually higher concentration of basic aminoacids. It functions in the packaging of DNA in the chromosomes. Ref: Vasudevan, Biochemistry, 3rd Edition, Page 345', 'role': 'assistant'}]