The mitochondriaThe mitochondria are the bean-shaped organelles in the cells. They are the key organelles with responsibility for the production of ATP energy molecules.... Read more about this term are the bean-shaped organelles in the cells. They are the key organelles with responsibility for the production of ATPATP (adenosine triphosphate) molecules are the high-energy molecules with easily broken phosphate bonds that release energy to the energy-requiring processes in the cells. Coenzyme Q10 is essential to the process of ATP production.... Read more about this term energy molecules.