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

Which of the following is a function of the rough endoplasmic reticulum (ER)?

Storage of calcium ions

Detoxification of drugs and poisons

Synthesis of proteins destined for secretion

Synthesis of lipids

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Verified step by step guidance

Understand the structure of the rough endoplasmic reticulum (ER): It is characterized by the presence of ribosomes on its surface, which gives it a 'rough' appearance under a microscope.

Recognize the role of ribosomes: Ribosomes are the cellular structures responsible for protein synthesis. Their presence on the rough ER indicates its involvement in protein production.

Identify the primary function of the rough ER: The rough ER is primarily involved in the synthesis of proteins, particularly those that are destined for secretion outside the cell or for use in the cell membrane.

Differentiate between rough and smooth ER: The smooth ER, which lacks ribosomes, is involved in lipid synthesis, detoxification of drugs and poisons, and storage of calcium ions, distinguishing its functions from those of the rough ER.

Conclude that the synthesis of proteins destined for secretion is the main function of the rough ER, aligning with the presence of ribosomes and its structural characteristics.