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(A) In aerobic respiration,the complete oxidation of one glucose molecule yields a total of $38$ $ATP$ molecules when the malate-aspartate shuttle is

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$38$

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(A) In aerobic respiration,the complete oxidation of one glucose molecule yields a total of $38$ $ATP$ molecules when the malate-aspartate shuttle is used.Glycolysis produces $2$ $ATP$ and $2$ $NADH$. The conversion of pyruvate to acetyl-CoA produces $2$ $NADH$. The Krebs cycle produces $2$ $GTP$ (equivalent to $2$ $ATP$),$6$ $NADH$,and $2$ $FADH_2$.Using the malate-aspartate shuttle,the $2$ $NADH$ produced in the cytoplasm during glycolysis are transported into the mitochondria without loss of energy,yielding $3$ $ATP$ each ($6$ $ATP$ total).The $8$ $NADH$ from the mitochondria yield $3$ $ATP$ each ($24$ $ATP$ total),and the $2$ $FADH_2$ yield $2$ $ATP$ each ($4$ $ATP$ total).Summing these: $2$ $(ATP)$ + $2$ $(GTP)$ + $6$ ($NADH$ from glycolysis) + $24$ ($NADH$ from mitochondria) + $4$ $(FADH_2)$ = $38$ $ATP$.

How many $ATP$ molecules are produced during aerobic respiration from the complete oxidation of one glucose molecule via the malate-aspartate shuttle?

Similar Questions

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