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

Passive vs. Active Transport

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Passive vs. Active Transport

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Multiple Choice

Passive membrane transport processes include___________.

Consumption of ATP for energy.

The use of transport proteins to move a substance from low to high concentration.

Movement of a substance down its concentration gradient.

Movement of a substance up its concentration gradient.

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Verified step by step guidance

Understand the concept of passive membrane transport: Passive transport is a type of cellular transport where substances move across cell membranes without the need for energy input from the cell.

Identify the key characteristic of passive transport: It involves the movement of substances down their concentration gradient, meaning from an area of higher concentration to an area of lower concentration.

Differentiate between passive and active transport: Active transport requires energy, often in the form of ATP, to move substances against their concentration gradient, whereas passive transport does not require energy.

Recognize the role of transport proteins in passive transport: Some passive transport processes, like facilitated diffusion, use transport proteins to help move substances across the membrane without energy input.

Conclude that passive transport does not involve the consumption of ATP or the movement of substances against their concentration gradient, which are characteristics of active transport.