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

In the sliding filament theory, what part of a myosin molecule does ATP bind to?

The myosin tail

The myosin head

The H zone

The actin binding site

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Verified step by step guidance

Understand the structure of a myosin molecule: Myosin is a motor protein with two main parts - the myosin head and the myosin tail.

Learn about the function of the myosin head: The myosin head is responsible for binding to actin filaments and hydrolyzing ATP to provide energy for muscle contraction.

Identify the role of ATP in muscle contraction: ATP binds to the myosin head, which is crucial for the detachment of the myosin head from the actin filament, allowing the cycle of muscle contraction to continue.

Differentiate between the myosin head and tail: The myosin tail is primarily involved in forming the thick filament structure and does not interact with ATP directly.

Conclude that ATP binds to the myosin head, enabling the conformational changes necessary for muscle contraction according to the sliding filament theory.