How many ATP molecules are produced via subst | vedclass

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Question

(B) The complete oxidation of $3-PGA$ ($3$-phosphoglycerate) occurs through glycolysis and the subsequent aerobic respiration (Krebs cycle and $ETS$).

Vedclass · Accepted Answer

$2$

Vedclass · Answer

(B) The complete oxidation of $3-PGA$ ($3$-phosphoglycerate) occurs through glycolysis and the subsequent aerobic respiration (Krebs cycle and $ETS$). $1$. In glycolysis,$3-PGA$ is converted to $PEP$ (phosphoenolpyruvate),which then forms pyruvate. During the conversion of $PEP$ to pyruvate,$1$ $ATP$ is produced via substrate-level phosphorylation. $2$. The resulting pyruvate enters the mitochondria and is converted to Acetyl-$CoA$,which enters the Krebs cycle. $3$. In the Krebs cycle,one substrate-level phosphorylation occurs during the conversion of Succinyl-$CoA$ to Succinate,producing $1$ $GTP$ (equivalent to $1$ $ATP$). $4$. Therefore,the total number of $ATP$ molecules produced via substrate-level phosphorylation during the complete oxidation of $3-PGA$ is $1 + 1 = 2$.

How many $ATP$ molecules are produced via substrate-level phosphorylation during the complete oxidation of one molecule of $3-PGA$?

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