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Anaerobic glycolysis is a process in whichenergy is produced, without oxygen, through the breakdown of muscle glycogeninto lactic acid and adenosine triphosphate (ATP), the energy provider. Theamount of energy that can be produced anaerobically is a function of the amountof glycogen present—in all vertebrates about 0.5 percent of their muscles‘ wet weight.Thus the anaerobic energy reserves of a vertebrate are proportional to the sizeof the animal. If, for example, some predators had attacked a 100-ton dinosaur,normally torpid, the dinosaur would have been able to generate almostinstantaneously, via anaerobic glycolysis, the energy of 3,000 humans at maximumoxidative metabolic energy production. 无氧酵解是这样一个过程,无需氧气参与,通过把肌糖原分解成乳酸和三磷酸腺苷(ATP),这二者是能量的提供者。无氧产生能量是体内糖原的功能,糖原占脊椎动物肌肉湿重的0.5%。因此,脊椎动物的无氧能量储备与他们的体型大小成正比。例如:若捕食者攻击一只100吨重的恐龙,按正常的迟缓度,恐龙能瞬间通过无氧酵解产生大量能量,相当于3000个人最大通过氧化进行新陈代谢产生能量的总和。 |
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