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

ATP

Anatomy & Physiology

3. Energy & Cell Processes

ATP

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Multiple Choice

Which of ATP's phosphate bonds is hydrolyzed in most cellular reactions?

The bond between the third phosphate group and a water molecule

The bond between the adenosine and the first phosphate group

The bond between the first and second phosphate groups

The bond between the second and third phosphate groups

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Verified step by step guidance

Understand the structure of ATP (adenosine triphosphate), which consists of an adenosine molecule attached to three phosphate groups.

Recognize that ATP is used in cellular reactions to provide energy, primarily through the hydrolysis of its phosphate bonds.

Identify the phosphate bonds in ATP: the bond between the adenosine and the first phosphate group, the bond between the first and second phosphate groups, and the bond between the second and third phosphate groups.

Learn that the hydrolysis of ATP typically involves breaking the bond between the second and third phosphate groups, releasing energy for cellular processes.

Note that this reaction converts ATP into ADP (adenosine diphosphate) and an inorganic phosphate, which is a common mechanism for energy transfer in cells.