Answer:
Histone proteins act to package DNA, which wraps around the eight histones, into chromosomes. Histone modifications act in diverse biological processes such as transcriptional activation/inactivation, chromosome packaging, and DNA damage/repair.
Answer:

<h3><u>2</u><u>4</u><u>0</u><u> </u><u>is</u> the answer</h3>
It is an advantage due to the fact you do not have to think about it. therefore while sleeping you still breathe and you do not have to be conscious