試題詳解

複選題
6. Which of the following statements is true about histones?
(A) The mass of histone in chromatin is approximately nine times the mass of DNA.
(B) The carboxyl end of each histone extends outward from the nucleosome and is called a "histone tail."
(C) Histones are found in mammals, but not in other animals or in plants or fungi.
(D) Histone H1 is not present in the nucleosome bead； instead, it draws the nucleosomes together.