How many ATP molecules are produced by substr | vedclass

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Question

(C) Substrate-level phosphorylation occurs during glycolysis and the Krebs cycle.$1$. During glycolysis, $2 \ ATP$ molecules are produced (net gain).$

Vedclass · Accepted Answer

$4$

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(C) Substrate-level phosphorylation occurs during glycolysis and the Krebs cycle.$1$. During glycolysis, $2 \ ATP$ molecules are produced (net gain).$2$. During the Krebs cycle (citric acid cycle), $1 \ GTP$ (which is equivalent to $1 \ ATP$) is produced per turn of the cycle. Since $1$ glucose molecule produces $2$ molecules of acetyl-CoA, the Krebs cycle runs twice, yielding $2 \ GTP$ (or $2 \ ATP$).$3$. Total $ATP$ produced by substrate-level phosphorylation = $2 \ (	ext{glycolysis}) + 2 \ (	ext{Krebs cycle}) = 4 \ ATP$ molecules.

Stages	$ATP$ produced through $ETS$
$A$. Glycolysis	$1$. $6$
$B$. Formation of Acetyl $CoA$ from Pyruvic acid	$2$. $3$
$C$. Kreb's cycle	$3$. $24$

How many $ATP$ molecules are produced by substrate-level phosphorylation during the complete oxidation of $1$ molecule of glucose (in $ATP$)?

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Choose the correct pair:

Stages $ATP$ produced through $ETS$

$A$. Glycolysis $1$. $6$

$B$. Formation of Acetyl $CoA$ from Pyruvic acid $2$. $3$

$C$. Kreb's cycle $3$. $24$

Select the correct sequence for $A-B-C$.

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If one molecule of $PEP$ (Phosphoenolpyruvate) is completely oxidized through the respiratory pathway starting from glycolysis,how many total $ATP$ molecules are synthesized?

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