What is the end product of the Krebs cycle?

Practice Questions

Q1
What is the end product of the Krebs cycle?
  1. Glucose
  2. Lactic acid
  3. Carbon dioxide and water
  4. Acetyl-CoA

Questions & Step-by-Step Solutions

What is the end product of the Krebs cycle?
  • Step 1: Understand that the Krebs cycle is a series of chemical reactions in cells.
  • Step 2: Know that the cycle starts with a molecule called acetyl-CoA.
  • Step 3: Realize that during the cycle, acetyl-CoA is broken down.
  • Step 4: Identify that as acetyl-CoA is broken down, carbon dioxide (CO2) is produced.
  • Step 5: Recognize that energy is released during the cycle, which is captured by electron carriers.
  • Step 6: Learn that the main electron carriers produced are NADH and FADH2.
  • Step 7: Conclude that the end products of the Krebs cycle are carbon dioxide, water, NADH, and FADH2.
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