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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2:06 minutes

Problem 2

Textbook Question

Where are protein components of the extracellular matrix synthesized?a. in the rough ERb. in the Golgi apparatusc. in the plasma membraned. in the extracellular layer itself

Verified step by step guidance

Identify the main function of each organelle listed in the options.

Recall that the rough endoplasmic reticulum (ER) is involved in the synthesis of proteins, especially those that are secreted or membrane-bound.

Consider the role of the Golgi apparatus, which is primarily involved in modifying, sorting, and packaging proteins for secretion or use within the cell.

Understand that the plasma membrane is the boundary of the cell and not typically involved in the synthesis of proteins.

Recognize that the extracellular matrix is a structure outside the cell, and its components are synthesized inside the cell before being secreted.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Extracellular Matrix (ECM)

The extracellular matrix is a complex network of proteins and carbohydrates that provides structural and biochemical support to surrounding cells. It plays a crucial role in tissue and organ function, influencing cell behavior, adhesion, and communication. Understanding the ECM is essential for grasping where its components are synthesized.

Rough Endoplasmic Reticulum (Rough ER)

The rough endoplasmic reticulum is a type of endoplasmic reticulum studded with ribosomes, which are the sites of protein synthesis. It is primarily responsible for the production of proteins that are either secreted from the cell, incorporated into the cell's plasma membrane, or sent to an organelle. This makes the rough ER a key player in the synthesis of ECM proteins.

Protein Synthesis Pathway

The protein synthesis pathway involves several cellular structures, including the rough ER, Golgi apparatus, and ribosomes. Proteins destined for the extracellular matrix are synthesized in the rough ER, modified in the Golgi apparatus, and then transported to their final location. Understanding this pathway is crucial for determining where ECM components are synthesized.