Substrate level phosphorylation in TCA occurs | vedclass

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(C) Substrate-level phosphorylation is a process where a phosphate group is transferred from a high-energy substrate molecule directly to $ADP$ or $GD

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Succinyl $CoA$ changes to succinic acid

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(C) Substrate-level phosphorylation is a process where a phosphate group is transferred from a high-energy substrate molecule directly to $ADP$ or $GDP$ to form $ATP$ or $GTP$,respectively.In the $TCA$ cycle (also known as the Krebs cycle),this occurs during the conversion of succinyl-$CoA$ to succinic acid.This reaction is catalyzed by the enzyme succinyl-$CoA$ synthetase (or thiokinase).During this step,the energy released from the cleavage of the high-energy thioester bond in succinyl-$CoA$ is used to synthesize $GTP$ (which is then converted to $ATP$) from $GDP$ and inorganic phosphate $(\Pi)$.

Substrate level phosphorylation in $TCA$ occurs when

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