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 part of the ATP synthase complex is responsible for the transport of protons into the mitochondrial matrix during chemiosmosis?

Complex IV

F0 subunit

F1 subunit

Cytochrome c

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Verified step by step guidance

Understand the role of ATP synthase in cellular respiration: ATP synthase is an enzyme that synthesizes ATP from ADP and inorganic phosphate during oxidative phosphorylation in the mitochondria.

Identify the structure of ATP synthase: It consists of two main components, the F0 subunit and the F1 subunit. The F0 subunit is embedded in the inner mitochondrial membrane, while the F1 subunit protrudes into the mitochondrial matrix.

Recognize the function of the F0 subunit: The F0 subunit forms a channel through which protons (H+) are transported from the intermembrane space into the mitochondrial matrix, driven by the proton gradient established by the electron transport chain.

Differentiate the roles of the F0 and F1 subunits: While the F0 subunit is responsible for proton transport, the F1 subunit is involved in the actual synthesis of ATP, utilizing the energy from the proton flow.

Conclude that the F0 subunit is responsible for the transport of protons into the mitochondrial matrix during chemiosmosis, facilitating the process of ATP synthesis by the F1 subunit.