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

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

Options:

  1. Acetyl-CoA
  2. Citrate
  3. Oxaloacetate
  4. Alpha-ketoglutarate

Correct Answer: Oxaloacetate

Solution:

Oxaloacetate is regenerated at the end of the TCA cycle, allowing the cycle to continue.

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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