parallel measurements of h2o2 production , succinate dehydrogenase and succinate-cytochrome c reductase activities show that peroxide generation by ubiquinone-supplemented membranes is a monotonous function of the reducible ubiquinone content , whereas the other two measured activities reach saturation at relatively low concentrations of reducible quinone .
C0020281
h2o2
C0031180
peroxide