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

What is the primary difference between the rough endoplasmic reticulum (ER) and the smooth endoplasmic reticulum (ER) in eukaryotic cells?

The rough ER is involved in lipid synthesis, while the smooth ER is involved in protein synthesis.

The rough ER is found only in animal cells, while the smooth ER is found only in plant cells.

The rough ER has ribosomes on its surface, while the smooth ER does not.

The rough ER is responsible for detoxification, while the smooth ER is responsible for calcium storage.

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Verified step by step guidance

Begin by understanding the structure and function of the endoplasmic reticulum (ER) in eukaryotic cells. The ER is a network of membranes within the cell that plays a crucial role in the synthesis and transport of proteins and lipids.

Differentiate between the rough ER and the smooth ER based on their physical characteristics. The rough ER is studded with ribosomes on its cytoplasmic surface, giving it a 'rough' appearance under a microscope.

Recognize the primary function of the rough ER. The presence of ribosomes allows the rough ER to be involved in the synthesis of proteins, particularly those that are secreted by the cell or inserted into the cell membrane.

Understand the function of the smooth ER. Unlike the rough ER, the smooth ER lacks ribosomes and is primarily involved in lipid synthesis, metabolism, and detoxification processes.

Conclude by identifying the key difference: The rough ER has ribosomes on its surface, which are essential for protein synthesis, while the smooth ER does not have ribosomes and is involved in lipid synthesis and other functions.