How many ATP molecules are produced in aerobi | vedclass

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Question

(B) In aerobic respiration,the total yield of $ATP$ depends on the shuttle system used to transport electrons from cytosolic $NADH$ into the mitochond

Vedclass · Accepted Answer

$36$

Vedclass · Answer

(B) In aerobic respiration,the total yield of $ATP$ depends on the shuttle system used to transport electrons from cytosolic $NADH$ into the mitochondria.$1$. In the glycerol phosphate shuttle,the electrons from cytosolic $NADH$ are transferred to $FAD$,which then forms $FADH_2$.$2$. Since $FADH_2$ yields $1.5 \ ATP$ (or $2 \ ATP$ in older calculations) compared to the $2.5 \ ATP$ (or $3 \ ATP$ in older calculations) produced by $NADH$,there is a net loss of $ATP$.$3$. Using the standard calculation where $1 \ NADH = 2.5 \ ATP$ and $1 \ FADH_2 = 1.5 \ ATP$,the total yield is $30 \ ATP$. However,in many textbook contexts following the older convention ($1 \ NADH = 3 \ ATP$ and $1 \ FADH_2 = 2 \ ATP$),the total yield is $36 \ ATP$ for the glycerol phosphate shuttle,whereas the malate-aspartate shuttle yields $38 \ ATP$.$4$. Therefore,based on the standard curriculum convention,the correct answer is $36 \ ATP$.

How many $ATP$ molecules are produced in aerobic respiration via the glycerol phosphate shuttle in a eukaryotic cell (in $ATP$)?

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