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
Proteins seen in chromosomes are called 
Select and explain. 
A. Nucleotides, B. Histones, C. Apoproteins, D. Glycoproteins
B: Histones
Answer: B: Histones 
Explanation: Histones are the most abundant histone proteins.