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29 Cards in this Set

  • Front
  • Back
The citric acid cycle operates where?
Coupled with electron transport, citric acid cycle is the major source of what?
Pyruvate enters into the mitochondria via what
pyruvate translocase
pyruvate is transformed into what via pyruvate dehydrogenase complex
aectyl CoA
What enzyme uses cofactor of thiamine pyrophosphate (TPP)
pyruvate dehydrogenase
the cofactor lipoamide uses what enzyme
dihydrolipoamide acetyltransferase
Enzyme 3, dihydrolipoamide dehydrogenase uses the cofactor what?
flavin adenine dinucleotide (FAD)
Reaction 1 of pyruvate dehydrogenase complex does what
decarboxylation and transfer of hydroxyethyl group
The step 2 of reaction 1 functions as oxidation of hydroxyethyl TPP and transfer to what
The reaction catalyzed by E2 which is what, functions to transfer of acetyl CoA group to coenzyme A to form what?
dihydrolipoamide acetyltransferase to form acetyl coA
Reaction catalyzed by E3 which is what, functions as oxidation of what by E3-FAD
dihydrolipoamide dehydrogenase functions as oxidation of dihydrolipoamide
The regeneration of E3-FAD has E3-FADH2 plus NAD+ forms what
E3-FAD + NADH + H+
What functions as a swinging arm in PDC
all enzymes exept for what are in the mitochondrial matrix for citric acid cycle
succinic dehydrogenase
Acetyl CoA enters the citric acid cylce via what
oxaloacetate plus acetyl CoA forms citrate via what enzyme
citrate synthase
Aconitase converts citrate to what
oxidate decarboxylation of isocitrate forms what via what enzyme
forms ketoglutarate via isocitrate dehydrogenase
ketoglutarate forms succinyl CoA via what complex
Ketoglutarate dehydrogenase complex
Succinyl CoA synthetase makes what and forms what
forms succinate; makes GTP
Succinyl CoA sythetase makes GTP is an example of what
substrate level phosphorylation
Succinate to fumarate reaction is done by what complex
succinic dehydrogenase reaction
The fumarase reaction alters fumarate to whate
malate to oxaloacetate is formed by what enzyme
malate dehydrogenase
The total ATP molecules formed by glycolysis and citric acid cycle is what
32 ATP
How many ATP equivalent moleculues are formed by substrate level phsophorylation
how many ATP equivalent molecules are formed by oxidative phosphorylation
regulation from pyruvate to acetyl CoA in citric acid cycle is negative from what and positive from what?
negatively regulated by NADH and Acetyl CoA

positively regulated by HS-CoA and NAD+
Isocitrate to ketoglutarate regulated negatively by what and postively by what
regulated negatively by NADH and positively by ADP and Ca2+