Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

3. Energy & Cell Processes

Electron Transport Chain

Anatomy & Physiology

3. Energy & Cell Processes

Electron Transport Chain

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Multiple Choice

Which is the final electron acceptor in the electron transport chain?

Carbon dioxide

Oxygen

FAD

NAD+

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Verified step by step guidance

Understand the context: The electron transport chain is a series of complexes located in the inner mitochondrial membrane that transfer electrons from electron donors to electron acceptors via redox reactions.

Identify the role of electron acceptors: In the electron transport chain, the final electron acceptor is crucial because it allows the chain to continue functioning by accepting electrons at the end of the process.

Review the options: Carbon dioxide, Oxygen, FAD, and NAD+ are listed as potential final electron acceptors.

Clarify the function of each option: Oxygen is the final electron acceptor in the electron transport chain. It combines with electrons and protons to form water, which is essential for the continuation of the chain.

Conclude the explanation: Oxygen's role as the final electron acceptor is vital for the production of ATP, as it ensures the electron transport chain can proceed efficiently, ultimately driving ATP synthesis through oxidative phosphorylation.