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Question

(D) In aerobic respiration,substrate-level phosphorylation occurs at the following steps:$1$. During Glycolysis: $2$ molecules of $ATP$ are produced (

Vedclass · Accepted Answer

$4$

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(D) In aerobic respiration,substrate-level phosphorylation occurs at the following steps:$1$. During Glycolysis: $2$ molecules of $ATP$ are produced (conversion of $1,3$-bisphosphoglycerate to $3$-phosphoglycerate and phosphoenolpyruvate to pyruvate).$2$. During the Krebs cycle (Citric Acid Cycle): $2$ molecules of $GTP$ (which are equivalent to $ATP$) are produced per glucose molecule (one per turn of the cycle,as two acetyl-CoA enter the cycle).Therefore,the total number of $ATP$ molecules produced via substrate-level phosphorylation is $2 + 2 = 4$.

List $I$	List $II$
$A$. Citric acid cycle	$I$. Cytoplasm
$B$. Glycolysis	$II$. Mitochondrial matrix
$C$. Electron transport system	$III$. Intermembrane space of mitochondria
$D$. Proton gradient	$IV$. Inner mitochondrial membrane

Column-$I$	Column-$II$
$a.$ Cis-aconitate	$i.$ $4 \ C$-compound
$b.$ $\alpha$-ketoglutarate	$ii.$ $3 \ C$-compound
$c.$ Fumarate	$iii.$ $6 \ C$-compound
$d.$ $1,3$-diphosphoglyceric acid	$iv.$ $5 \ C$-compound

$A$. $PPP$ (Pentose Phosphate Pathway)	$i$. Kuhne pathway
$B$. Demonstration of fermentation	$ii$. Kreb's cycle
$C$. $TCA$ cycle	$iii$. Warburg-Dickens pathway
$D$. Glycolysis	$iv$. Embden-Meyerhof-Parnas pathway

How many $ATP$ molecules are produced via substrate-level phosphorylation during the complete oxidation of one glucose molecule in aerobic respiration?

Similar Questions

Match Column-$I$ with Column-$II$ and select the correct option.
Column-$I$ Column-$II$
$a.$ Cis-aconitate $i.$ $4 \ C$-compound
$b.$ $\alpha$-ketoglutarate $ii.$ $3 \ C$-compound
$c.$ Fumarate $iii.$ $6 \ C$-compound
$d.$ $1,3$-diphosphoglyceric acid $iv.$ $5 \ C$-compound

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