TCA Cycle: Oxaloacetate and Acetyl Coenzyme A

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Questions and Answers

What is the first step in the TCA cycle?

  • Condensation of oxaloacetate with acetyl CoA (correct)
  • Decarboxylation of citrate
  • Dehydration of isocitrate
  • Regeneration of oxaloacetate

Which molecule is condensed with oxaloacetate in the TCA cycle?

  • Alpha-ketoglutarate
  • Acetyl CoA (correct)
  • Malate
  • Succinyl CoA

What is regenerated as the TCA cycle is completed?

  • Alpha-ketoglutarate
  • Oxaloacetate (correct)
  • Citrate
  • Isocitrate

Which compound undergoes condensation and regeneration in the TCA cycle?

<p>Oxaloacetate (C)</p> Signup and view all the answers

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