The title is correct from a biochemical point of view. At a celular level, the respiratory chain is a series of reactions that take place in and across a mitoc

The title is correct from a biochemical point of view. At a celular level, the respiratory chain is a series of reactions that take place in and across a mitocondrial membrane. It uses Oxigen. Edit: https://en.m.wikipedia.org/wiki/Mitochondrial_membrane_transport_protein https://en.m.wikipedia.org/wiki/Mitochondrial_membrane_trans...