試題詳解

【已刪除】29. Histones are found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. They are usually rich in _______, and they interact with DNA via _______.
(A) lysine and arginine; ionic bonds
(B) glutamic acid and aspartic acid; hydrogen bonds
(C) alanine and glycine; ionic bonds
(D) lysine and arginine; hydrogen bonds
(E) glutamic acid and aspartic acid; ionic bonds