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一分子葡萄糖经有氧氧化可净生成多少个ATP(  ) - 55问答网

一分子葡萄糖经有氧氧化可净生成多少个ATP(  )

A.2个
B.12个
C.24个
D.38个

【答案】:D
具体计算如下:(1)糖酵解→2丙酮酸+2NADH+4ATP-2ATP;(2)丙酮酸→乙酰CoA,产生1分子NADH;(3)一分子乙酰CoA经过三羧酸循环,产生3NADH+1FADH2+1ATP/GTP经过呼吸链:1NADH→3ATP(新数据是2.5ATP);1FADH2→2ATP(新数据是1.5ATP)。所以:10NADH→30ATP;2FADH2→4ATP。汇总:30ATP+4ATP+4ATP=38ATP
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