Mitochondria: supplies energy to the cell
Nucleus: Control center of the cell; contains DNA
Ribosomes: makes proteins inside cell
Cell membrane: protective layer of the cell
Hope this helps :)
Answer:
C. Adding one more proton and neutron.
Explanation:
The atomic number is the number of protons in the nucleus of an atom. Atomic mass is the number of protons and neutrons.
http://www.mrtripodi.org/students/wp-content/uploads/2012/12/sgtyork.pdf
