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

Types of Membrane Proteins

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Types of Membrane Proteins

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Multiple Choice

Which of the following pumps can you find in the plasma membrane?

Calcium pump

Chloride pump

Proton pump

Sodium-potassium pump

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Verified step by step guidance

Understand the role of pumps in the plasma membrane: Pumps are proteins that actively transport ions across the plasma membrane against their concentration gradient using energy, usually in the form of ATP.

Identify the common types of ion pumps found in the plasma membrane: The most well-known pump is the sodium-potassium pump, which is crucial for maintaining the electrochemical gradient across the cell membrane.

Review the function of the sodium-potassium pump: This pump moves three sodium ions out of the cell and two potassium ions into the cell, which is essential for various cellular processes, including nerve impulse transmission and muscle contraction.

Consider the other pumps listed: While calcium, chloride, and proton pumps exist, they are not as universally present in the plasma membrane as the sodium-potassium pump. Calcium pumps are often found in the sarcoplasmic reticulum, and proton pumps are more common in organelles like lysosomes and mitochondria.

Conclude that the sodium-potassium pump is the most prevalent and essential pump found in the plasma membrane, making it the correct answer to the problem.