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

Endomembrane System: Protein Secretion

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Endomembrane System: Protein Secretion

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Multiple Choice

How do merocrine exocrine glands secrete their products?

By exocytosis without losing any cellular material

By diffusion through the cell membrane

By rupturing and releasing their entire cell contents

By pinching off a portion of the cell containing the secretion

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Verified step by step guidance

Understand the types of exocrine glands: Exocrine glands are classified based on their method of secretion. The main types are merocrine, apocrine, and holocrine glands.

Identify the secretion method of merocrine glands: Merocrine glands secrete their products via exocytosis, a process where vesicles containing the secretion fuse with the cell membrane to release their contents outside the cell.

Clarify exocytosis: Exocytosis is a cellular process that involves the transport of materials from inside the cell to the outside without losing any part of the cell itself. This is crucial for merocrine glands as they maintain their cellular integrity.

Differentiate from other gland types: Apocrine glands release their secretions by pinching off a portion of the cell, while holocrine glands release their secretions by rupturing and disintegrating the entire cell.

Conclude the secretion process: Merocrine glands are efficient in secretion as they continuously produce and release their products without damaging or losing any part of the cell, ensuring sustained functionality.