St Amino fatty Acetyl-O acids Glucose produe Glycolysis Pyruvate pyruvate dehydrogenase complex 酵解三羧酸循环 Acetyl-CoA Stage 2 △ctyl-oA oxidation Oxaloacetate Citrate Citric acid cycle Co NADI FADH. (reduced carriers) stage 3 Electron transfer and oxidative hosphorylati。n 是 rat Celectron transfer) chain △DP+P ATP酵解- 三羧酸循环