Histones are
A) found primarily in prokaryotic cells and not in mammalian cells.
B) believed to bind with rRNA in the formation of ribosomes.
C) acidic proteins containing a high proportion of glutamic and aspartic acid.
D) basic proteins containing a high proportion of lysine and arginine.
E) proteins that control the rate of translation of mRNA into a protein molecule.

Question

Quizplus · Accepted Answer

Histones are basic proteins that contain a high proportion of lysine and arginine. They are primarily found in eukaryotic cells and function as spools around which DNA is wound, helping to package and condense it into the nucleus. Histones also play a role in gene regulation and chromatin remodeling.

Histones Are