Which of the Following Statements Describes Histones

Multiple Choice

Which of the following statements describes histones?

A) Each nucleosome consists of two molecules of histone H1.
B) Histone H1 is not present in the nucleosome bead; instead it is involved in the formation of higher-level chromatin structures.
C) The carboxyl end of each histone extends outward from the nucleosome and is called a "histone tail."
D) Histones are found in mammals, but not in other animals or in plants.
E) The mass of histone in chromatin is approximately nine times the mass of DNA.