... cyanide-insensitive alternative oxidase and an antimycin-insensitive, myxothiazol-sensitive, quinol- cytochrome c oxidoreductase [1]. It also contains activemembrane-bound NAD+-independentD -and L-lactatedehydrogenases ... reachingphase III. In consequence, the iLDH/COX ratio increased in the three culture media, from 0.4 to 0.5 in phase I, to 0. 8– 2.0 in phase III. Determination of the cytochrome a + a3content in isolated ... insolublecomplexes. For instance, oxalate may also inhibit liver pyruvate carboxylase as well as pyruvate kinase frommuscle, erythrocytes and liver, with inhibition constantvalues of 6–1 1 lM[36]. In hepatocytes,...