They are both made up of the same protein called "histones".
I need a little more context but I believe you are correct
Answer:
An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.
Answer:
d. it does all of that and even harms humans to some extent
let me know if its right
