Question : Substrate level phosphorylation occurs during which step of

1.	Question : Substrate level phosphorylation occurs during which step of Krebs' cycle
Answer» Succinly`CoA rarr` Succinic acid Isocitric acid `rarr` Oxalosuccinic acid Oxalosuccinic acid `rarr alpha-`ketoglutaric acid Malic acid `rarr OA A` SOLUTION :During Krebs' or citric acid cycle, succinyl-CoA is acted upon by enzyme sucinyl-CoA synthese to form succinate (a 4 C compound). The reaction releases sufficient energy to form ATP (in PLANTS) or GTP (in ANIMALS) by SUBSTRATE level phosphorylation GTP can form ATP through a coupled reaction `"Succiny CoA + GDP/ADP +H"_(3)PO_(4) underset("synthetase")overset("Succinyl CoA")(hArr) "Succinate + CoA + GTP/ATP"`

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