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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

Biological Membranes

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Biological Membranes

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Multiple Choice

Which of the following statements regarding membrane function is false?

Membranes contain proteins that assist in transport and communication.

Membranes are rigid structures that do not change shape.

Membranes play a role in cell signaling and recognition.

Membranes are selectively permeable, allowing certain substances to pass through.

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Verified step by step guidance

Understand the structure and function of cell membranes: Cell membranes are composed of a phospholipid bilayer with embedded proteins, which contribute to their dynamic nature.

Evaluate the statement about rigidity: Membranes are not rigid; they are fluid structures that can change shape and allow for movement and flexibility within the cell.

Consider the role of proteins: Membrane proteins are crucial for transport and communication, facilitating the movement of substances and transmitting signals.

Analyze the concept of selective permeability: Membranes are selectively permeable, meaning they regulate the passage of substances based on size, charge, and solubility.

Reflect on cell signaling and recognition: Membranes are involved in cell signaling and recognition, allowing cells to interact with their environment and other cells.