outer mitochondrial membrane inner mitochondrial membrane ATP synthal electron transport chain H ATP OUT NAD'NADI TP ADP + P ADP + Pi citric acid cl cetyl CoA 生化反应(燃烧燃料) ate fatty acids ruvate fatty acids FOOD MOLECULES FROM CYTOSOl Figure 14-10 Molecular Biology of the Cell 5/e(o Garland Science 2008)生化反应（燃烧燃料）