Chemiosmotic theory of ATP synthesis in the m | vedclass

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(C) The correct answer is $C$. According to the chemiosmotic hypothesis,the synthesis of $ATP$ in both mitochondria and chloroplasts is driven by a pr

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$H^{+}$ gradient

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(C) The correct answer is $C$. According to the chemiosmotic hypothesis,the synthesis of $ATP$ in both mitochondria and chloroplasts is driven by a proton $(H^{+})$ gradient across the membrane. In mitochondria,this gradient is established across the inner mitochondrial membrane during the electron transport chain,creating a higher concentration of protons in the intermembrane space compared to the matrix. This electrochemical gradient provides the energy required for $ATP$ synthase to phosphorylate $ADP$ into $ATP$.

Column-$I$ ($ETS$ Complex)	Column-$II$ (Name of Complex)
$P$. Complex-$I$	$I$. Cytochrome $c$ oxidase complex
$Q$. Complex-$II$	$II$. Cytochrome $bc_1$ complex
$R$. Complex-$III$	$III$. $ATP$ synthase complex
$S$. Complex-$IV$	$IV$. $FADH_2$ dehydrogenase complex
$T$. Complex-$V$	$V$. $NADH$ dehydrogenase complex

Chemiosmotic theory of $ATP$ synthesis in the mitochondrion is based on

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