Table of contents

1. Overview of Cell Biology2h 49m
2. Chemical Components of Cells1h 14m
3. Energy1h 33m
4. DNA, Chromosomes, and Genomes2h 31m
5. DNA to RNA to Protein2h 31m
6. Proteins1h 36m
7. Gene Expression1h 42m
8. Membrane Structure1h 4m
- The Lipid Bilayer
  38m
- Membrane Proteins
  25m
9. Transport Across Membranes1h 52m
10. Anerobic Respiration1h 5m
11. Aerobic Respiration1h 11m
12. Photosynthesis52m
13. Intracellular Protein Transport2h 18m
14. Cell Signaling1h 28m
15. Cytoskeleton and Cell Movement1h 39m
16. Cell Division3h 5m
17. Meiosis and Sexual Reproduction50m
18. Cell Junctions and Tissues48m
19. Stem Cells13m
- Stem Cells
  13m
20. Cancer44m
21. The Immune System1h 6m
22. Techniques in Cell Biology1h 41m

11. Aerobic Respiration

Citric Acid Cycle

Cell Biology

11. Aerobic Respiration

Citric Acid Cycle

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Multiple Choice

Which of the following is not a product of the citric acid cycle?

NADH

CO₂

FADH₂

Acetyle CoA

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Verified step by step guidance

Understand the citric acid cycle: The citric acid cycle, also known as the Krebs cycle, is a series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetyl-CoA.

Identify the main products of the citric acid cycle: The primary products of the citric acid cycle include NADH, FADH2, ATP (or GTP), and CO2.

Analyze each option: Review each of the given options (NADH, CO2, FADH2, and Acetyl CoA) to determine which are products of the citric acid cycle.

Recognize that Acetyl CoA is a reactant: Acetyl CoA is the molecule that enters the citric acid cycle, not a product. It combines with oxaloacetate to form citrate, which is then processed through the cycle.

Conclude that Acetyl CoA is not a product: Since Acetyl CoA is used to initiate the cycle rather than being produced by it, it is not a product of the citric acid cycle.