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 Membrane Transport

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Membrane Transport

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Multiple Choice

In active transport, by which method does a cell 'drink' the fluid it requires?

Osmosis

Facilitated diffusion

Phagocytosis

Pinocytosis

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Verified step by step guidance

Step 1: Understand the concept of active transport. Active transport is a process where cells use energy (ATP) to move substances across the cell membrane against their concentration gradient.

Step 2: Learn about pinocytosis. Pinocytosis is a type of endocytosis, often referred to as 'cell drinking,' where the cell engulfs extracellular fluid and dissolved substances into small vesicles.

Step 3: Differentiate pinocytosis from other transport methods. Osmosis is passive transport of water, facilitated diffusion is passive transport of molecules via protein channels, and phagocytosis is 'cell eating,' where the cell engulfs larger particles.

Step 4: Recognize that pinocytosis specifically involves the uptake of fluid and dissolved substances, making it the correct method for 'cell drinking.'

Step 5: Apply this knowledge to the problem. Since the question asks about the method by which a cell 'drinks' fluid, pinocytosis is the correct answer based on its definition and function.