The citric acid cycle The cycle carries out the oxidation of acetyl groups from acetyl CoA to cO, with the production of four pairs of electrons, stored initially in the reduced electron carriers NadH and FAdH• The cycle carries out the oxidation of acetyl groups from acetyl CoA to CO2 with the production of four pairs of electrons, stored initially in the reduced electron carriers NADH and FADH2 The citric acid cycle