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 smooth and rough endoplasmic reticulum (ER)?

Smooth ER is found only in plant cells, while rough ER is found only in animal cells.

Smooth ER is involved in lipid synthesis, while rough ER is associated with protein synthesis due to ribosomes on its surface.

Smooth ER contains ribosomes on its surface, while rough ER does not.

Smooth ER is responsible for DNA replication, while rough ER is involved in RNA transcription.

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Verified step by step guidance

Understand the structure and function of the endoplasmic reticulum (ER), which is an essential organelle in eukaryotic cells, involved in the synthesis and processing of proteins and lipids.

Identify the two types of ER: smooth ER and rough ER. The rough ER is characterized by the presence of ribosomes on its surface, giving it a 'rough' appearance under a microscope.

Recognize the primary function of rough ER, which is protein synthesis. The ribosomes attached to the rough ER are the sites where translation occurs, converting mRNA into polypeptide chains.

Understand the role of smooth ER, which lacks ribosomes on its surface. It is primarily involved in lipid synthesis, including phospholipids and steroids, and also plays a role in detoxification processes within the cell.

Clarify the misconception that smooth ER is found only in plant cells and rough ER only in animal cells. Both types of ER are present in both plant and animal cells, serving their respective functions in cellular metabolism.