II. Catabolism of fat 1. Oxidation of glycerol: 首先,(甘油磷酸激酶+ATP)→-甘油 然后,(@甘油脱氢酶+NAD+)→二羟丙酮 <Fig.> 糖酵解 Change of energy o Activation of glycerol I ATP o@-甘油→⑩二羟丙酮: 1 NADH+H+ 即3ATP o@二羟丙酮彻底氧化:→PA:2ATP、1NADH+H即5ATP →乙酰COA:1NADH+H 即3ATP → TCA Cycle 共12ATP TOTAL: 22 ATPII. Catabolism of fat 1. Oxidation of Glycerol: 首先，（甘油磷酸激酶 + ATP）→ - 甘油 然后，（ 甘油脱氢酶 + NAD+ ）→ 二羟丙酮 <Fig.> 糖酵解 Change of energy: o Activation of glycerol: -1 ATP o -甘油→ 二羟丙酮： 1 NADH+ H+ 即3 ATP o 二羟丙酮彻底氧化：→PA: 2 ATP、 1 NADH+H+ 即5 ATP →乙酰CoA: 1 NADH+ H+ 即3 ATP →TCA Cycle: 共12 ATP TOTAL: 22 ATP