第二节发酵 2 ADP 2 ATP 2 ATP Glucose GLYCOLYSIS Glucose GLYCOLYSIS C-O CH3 C=O 12E Pyruvic acid CHs 2 NAD NADH 2 NAD+ 2 NADH 2 CO2 2 P 2H* +2H OH H H C=O H-C-OH CH CH 2 Ethanol 2 Lactic acid 2 Acetaldehyde (a)第二节 发酵