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

2. Cell Chemistry & Cell Components

Introduction to the Cytoskeleton

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to the Cytoskeleton

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Multiple Choice

Which of the following is not a component of the cytoskeleton?

Microtubules

Actin filaments

Intermediate filaments

Endoplasmic reticulum

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Verified step by step guidance

Understand the role of the cytoskeleton: The cytoskeleton is a network of fibers that provides structural support, shape, and movement to the cell. It is composed of three main types of protein filaments.

Identify the components of the cytoskeleton: The three main components are microtubules, actin filaments (also known as microfilaments), and intermediate filaments.

Review the function of each component: Microtubules are involved in cell division and intracellular transport, actin filaments are important for cell movement and shape, and intermediate filaments provide mechanical support.

Consider the role of the endoplasmic reticulum: The endoplasmic reticulum (ER) is an organelle involved in protein and lipid synthesis, not a structural component of the cytoskeleton.

Determine which option is not part of the cytoskeleton: Since the endoplasmic reticulum is an organelle and not a filamentous structure, it is not a component of the cytoskeleton.