Question
Asked Nov 22, 2019
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  1. How many ATPs would result from the reaction involving the alpha-ketoacid dehydrogenase complex alone if one mole of glucose was oxidized in the citric acid cycle?

      A.

    10

     

      B.

    5.0

     

      C.

    2.5

      D.

    1.0

     

      E.

    0.5

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Expert Answer

Step 1

 

Alpha ketoacid dehydrogenase complex is the enzyme complex present in the inner mitochondrial membrane. This complex is formed by enzymes such as pyruvate dehydrogenase complex (PDC), the α-ketoglutarate dehydrogenase complex, for energy production through the Krebs cycle or citric acid cycle.

Step 2

The citric acid cycle operates only in aerobic conditions. Metabolically, the citric acid cycle enables the release of energy in the form of ATP from carbohydrates, fats, and proteins through the oxidation of acetyl-CoA.

Step 3

The oxidative decarboxylation of pyruvate occurs after glycolysis in the mitochondrion, and before the initiation of the Citric Acid Cycle. The reaction is catalyzed by the pyruvate dehydrogenase complex which is one of the enzymes in the Alpha ketoacid dehydrogenase complex. This enzyme form acetyl-CoA. Acetyl-...

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Biology

Molecular Biology

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