Which of the following correctly indicates the number of protons pumped into the intermembrane space at each complex of electron transport for each FADH2 that is oxidized by the electron transport pathway?
What is the approximate free energy for transporting a mole of protons from the matrix to the intermembrane space under normal conditions within the mitochondria?
A)+220 kJ/mol B)+21 kJ/mol C)-21 kJ/mol D)-220 kJ/mol E)none of the above