Which of the following is/are true regarding the electron transport chain. (Select all that are true) Protons are pumped from the matrix to the inner membrane space via complexes I, III, and IV. ATP is formed via the ATPase pump, in which ATP is formed in the inner membrane space. For this class, 1 NADH can produce 2 ATPS under aerobic conditions. Complex II accepts either a hydride or individual electrons from FADH2. None of the above are true statements regarding the ETS.