They are both sources of energy. They are almost exactly the same however ATP-Adenosine Triphosphate has one more phosphate group than ADP-Adenosine Diphosphate.
Oxygen is a gas. It is a colorless,tasteless,and odorless element.
Answer:
I believe the correct answer is nucleus.
Isotopes are elements with same atomic number Z= number of protons but different mass number A, where A= Z+N, N= number of neutrons which is variable. As for radioisotopes, I’ve never heard of them before !
