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: Glycolysis

Anatomy & Physiology

24. Metabolism and Nutrition

Cellular Respiration: Glycolysis

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Multiple Choice

Cellular respiration produces the most energy in the form of ATP from which of the following stages?

Krebs Cycle

Electron Transport Chain

Glycolysis

Fermentation

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Verified step by step guidance

Begin by understanding the process of cellular respiration, which is the method cells use to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.

Cellular respiration consists of several stages: Glycolysis, Krebs Cycle (also known as the Citric Acid Cycle), and the Electron Transport Chain (ETC). Each stage contributes to the production of ATP, but they do so in different amounts.

Glycolysis occurs in the cytoplasm and breaks down glucose into pyruvate, producing a small amount of ATP and NADH. It does not require oxygen and is considered anaerobic.

The Krebs Cycle takes place in the mitochondria and processes pyruvate into carbon dioxide, generating ATP, NADH, and FADH2. It produces more ATP than glycolysis but less than the Electron Transport Chain.

The Electron Transport Chain is the final stage of cellular respiration, occurring in the inner mitochondrial membrane. It uses NADH and FADH2 from previous stages to create a proton gradient that drives the synthesis of ATP via oxidative phosphorylation. This stage produces the most ATP compared to the other stages.