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

Types of Phosphorylation

Anatomy & Physiology

3. Energy & Cell Processes

Types of Phosphorylation

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Multiple Choice

Most of the ATP produced in cellular respiration comes from which of the following processes?

Glycolysis

Reduction of NADH

Substrate-level phosphorylation

The citric acid cycle

Oxidative phosphorylation

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Verified step by step guidance

Begin by understanding the overall process of cellular respiration, which includes glycolysis, the citric acid cycle, and oxidative phosphorylation.

Recognize that glycolysis occurs in the cytoplasm and produces a small amount of ATP through substrate-level phosphorylation.

Identify that the citric acid cycle, occurring in the mitochondria, also generates ATP through substrate-level phosphorylation, but its main role is to produce electron carriers like NADH and FADH2.

Understand that oxidative phosphorylation is the final stage of cellular respiration, taking place in the inner mitochondrial membrane, where the electron transport chain uses electrons from NADH and FADH2 to create a proton gradient.

Learn that the proton gradient drives ATP synthesis through chemiosmosis, making oxidative phosphorylation the process that produces the majority of ATP in cellular respiration.