Biochemistry - Chapter 18 - Pyruvate Dehydrogenase

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Last updated 3:35 AM on 12/11/25
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5 Terms

1
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What is the reaction of an irreversible link between glycolysis and citric acid cycle?

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2
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Oxidative decarboxylation of pyruvate and the sequence of reactions in the citric acid cylce take place where?

…within the matrix.

<p><span><strong><span>…within the matrix. </span></strong></span></p>
3
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Acetyl CoA has two principle fates:

  • Metabolism by the citric acid cycle

  • Incorporation into fatty acids

4
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What are the two self-inhibition of the pyruvate dehydrogenase (PDH) complex is regulated to respond to the energy charge of the cell?

  • The complex is inhibited by its immediate products, NADH and acetyl CoA, as well as by the ultimate product of cellular respiration, ATP.

  • (A)The complex is activated by pyruvate and ADP, which inhibit the kinase that phosphorylates PDH.

5
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