Answer:proton,neutrons,and electrons.
Explanation:
The nucleus i am sure but im not quite positive this is the right answer.
Nucleosomes are the basic packing unit of DNA built from histone proteins around which DNA is coiled. They serve as a scaffold for formation of higher order chromatin structure as well as for a layer of regulatory control of gene expression.
D-1 electron in their outer energy level.
1.Subscript,how many hydrogen molecules there are
2.No it is not balanced,oxygen is less than represented.
