Which compound is regenerated at the end of the TCA cycle?

Practice Questions

Q1
Which compound is regenerated at the end of the TCA cycle?
  1. Acetyl-CoA
  2. Citrate
  3. Oxaloacetate
  4. Alpha-ketoglutarate

Questions & Step-by-Step Solutions

Which compound is regenerated at the end of the TCA cycle?
  • Step 1: Understand that the TCA cycle is a series of chemical reactions in the body that helps produce energy.
  • Step 2: Know that the TCA cycle starts with a molecule called acetyl-CoA.
  • Step 3: As the cycle goes through various reactions, it produces energy and other molecules.
  • Step 4: At the end of the cycle, one of the important molecules produced is called oxaloacetate.
  • Step 5: Recognize that oxaloacetate is necessary to start the cycle again with new acetyl-CoA.
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