In chemiosmotic generation of ATP, electrons are transferred through chain of _________ _________ where energy is ___________. From there, energy pumps ______ (H+) from _______ to __________ space. This allows H+ concentration to __________. Then, H+ diffuses by _________ back to _______ via ATP synthase enzyme. Then, energy is released as ___ flows through. The energy is used for ______ + ___ which creates ATP.