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

24. Metabolism and Nutrition

Cellular Respiration: Electron Transport Chain

Anatomy & Physiology

24. Metabolism and Nutrition

Cellular Respiration: Electron Transport Chain

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

Which of the following processes contribute to the proton motive force during aerobic respiration?

Fermentation

Glycolysis

Krebs cycle

Electron transport chain

Previous problemNext problem

Verified step by step guidance

Understand the concept of proton motive force: It is the force generated across a membrane due to the difference in proton concentration, which is crucial for ATP synthesis during aerobic respiration.

Identify the role of the electron transport chain: This is the final stage of aerobic respiration where electrons are transferred through a series of complexes, leading to the pumping of protons across the mitochondrial membrane.

Recognize that fermentation does not contribute to the proton motive force: Fermentation occurs in the absence of oxygen and does not involve the electron transport chain or proton pumping.

Acknowledge that glycolysis does not directly contribute to the proton motive force: Glycolysis occurs in the cytoplasm and produces pyruvate and ATP, but does not involve proton pumping.

Understand the Krebs cycle's role: While the Krebs cycle generates electron carriers (NADH and FADH2) that feed into the electron transport chain, it does not directly contribute to the proton motive force itself.