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 Eukaryotic Organelles

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Eukaryotic Organelles

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Multiple Choice

Cilia and flagella need which of the following to function?

Cholesterol

ATP

DNA

Ribosomes

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Verified step by step guidance

Understand the function of cilia and flagella: These are hair-like structures that protrude from the surface of certain cells and are involved in movement. Cilia move fluid across the cell surface, while flagella are responsible for the movement of the entire cell, such as sperm cells.

Recognize the energy requirement for movement: Both cilia and flagella require energy to function. This energy is provided by ATP (adenosine triphosphate), which is the primary energy carrier in cells.

Identify the role of ATP: ATP provides the necessary energy for the motor proteins, such as dynein, which are involved in the movement of cilia and flagella. These proteins convert the chemical energy stored in ATP into mechanical work.

Consider the other options: Cholesterol, DNA, and ribosomes have different roles in the cell. Cholesterol is involved in maintaining cell membrane fluidity, DNA contains genetic information, and ribosomes are responsible for protein synthesis. None of these directly provide energy for the movement of cilia and flagella.

Conclude that ATP is essential for the function of cilia and flagella due to its role in energy provision for cellular movement processes.