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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Problem 7

Textbook Question

Match the term with its appropriate definition.
Osmosis
Secondary active transport
Exocytosis
Phagocytosis
Simple diffusion
Primary active transport
Pinocytosis
Facilitated diffusion
a. Type of endocytosis in which a large particle is ingested
b. Transport across the plasma membrane against the concentration gradient via direct use of energy from ATP
c. Passive movement of solute across the plasma membrane
d. Movement of solvent from a solution of lower solute concentration to a solution of higher solute concentration
e. Passive movement of solute across the plasma membrane via a channel or carrier protein
f. Type of endocytosis in which ECF is brought into the cell in a protein-coated pit
g. Release of large substances from the cell through a vesicle
h. Transport of a substance across the plasma membrane against its concentration gradient using the energy from the 'downhill' movement of another substance

Verified step by step guidance

Step 1: Understand the definitions provided in the problem. Each term corresponds to a specific physiological process, and the definitions describe the mechanisms or characteristics of these processes.

Step 2: Match 'Osmosis' with its definition. Osmosis refers to the movement of solvent (usually water) from a region of lower solute concentration to a region of higher solute concentration. This matches definition (d).

Step 3: Match 'Secondary active transport' with its definition. This process involves the transport of a substance against its concentration gradient using the energy derived from the 'downhill' movement of another substance. This matches definition (h).

Step 4: Match 'Exocytosis' with its definition. Exocytosis is the release of large substances from the cell through a vesicle. This matches definition (g).

Step 5: Continue matching the remaining terms (Phagocytosis, Simple diffusion, Primary active transport, Pinocytosis, Facilitated diffusion) with their respective definitions by carefully analyzing the descriptions provided and identifying the correct physiological process for each.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Osmosis

Osmosis is the passive movement of water molecules through a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration. This process is crucial for maintaining cellular homeostasis and regulating the internal environment of cells. It occurs without the expenditure of energy and is driven by the concentration gradient of solutes.

Active Transport

Active transport refers to the movement of molecules across a cell membrane against their concentration gradient, which requires energy, typically derived from ATP. This process is essential for maintaining concentration differences of ions and nutrients inside and outside the cell, allowing cells to uptake necessary substances even when they are in lower concentrations outside.

Endocytosis and Exocytosis

Endocytosis and exocytosis are processes by which cells transport large molecules or particles across the plasma membrane. Endocytosis involves the engulfing of substances into the cell, while exocytosis is the release of substances from the cell. These mechanisms are vital for cellular communication, nutrient uptake, and waste removal, allowing cells to interact with their environment effectively.