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: Digestive Organelles

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Endomembrane System: Digestive Organelles

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1:56 minutes

Problem 4

Textbook Question

A cell with abundant peroxisomes would most likely be involved in:
a. Secretion
b. Storage of glycogen
c. ATP manufacture
d. Movement
e. Detoxification activities

Verified step by step guidance

Understand the function of peroxisomes: Peroxisomes are organelles that play a key role in detoxification by breaking down harmful substances such as hydrogen peroxide and metabolizing fatty acids. They are also involved in lipid metabolism.

Analyze the options provided: Evaluate each choice based on the known functions of peroxisomes. For example, secretion (a) and movement (d) are not directly related to peroxisome activity.

Consider detoxification activities (e): Detoxification is a primary function of peroxisomes, as they contain enzymes like catalase that neutralize toxic substances.

Evaluate ATP manufacture (c): ATP production is primarily associated with mitochondria, not peroxisomes, so this option is unlikely to be correct.

Assess storage of glycogen (b): Glycogen storage is primarily a function of the liver and muscle cells, and it is not directly related to peroxisomes. Therefore, this option is also unlikely to apply.

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Key Concepts

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

Peroxisomes

Peroxisomes are small, membrane-bound organelles found in eukaryotic cells that contain enzymes for oxidative reactions. They play a crucial role in the metabolism of fatty acids and the detoxification of harmful substances, such as hydrogen peroxide, which is a byproduct of various metabolic processes.

Detoxification

Detoxification refers to the biochemical processes that remove or neutralize toxins from the body. In the context of peroxisomes, these organelles help convert toxic substances into less harmful compounds, making them essential for cellular health and function, particularly in liver cells.

Cellular Functions

Cells perform various functions, including secretion, storage, energy production, and detoxification. Understanding the specific roles of organelles like peroxisomes helps clarify which cellular activities are most relevant to their abundance, particularly in relation to detoxification and metabolic processes.

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Multiple Choice

Hydrolytic enzymes must be segregated and packaged to prevent general destruction of cellular components.

In animal cells, which of the following organelles contains these hydrolytic enzymes?

Which of the following is a membrane-bound organelle that contains digestive enzymes?

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Multiple Choice

Which of the following pathways can deliver materials directly to lysosomes?

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Textbook Question

In their anatomy lab, many students are exposed to the chemical preservatives phenol, formaldehyde, and alcohol. Our cells break down these toxins very effectively. What cellular organelle is responsible for this?

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Textbook Question

Hydrocortisone is an anti-inflammatory drug that stabilizes lysosomal membranes. Explain how this effect reduces cell damage and inflammation.

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Multiple Choice

Which of the following organelles are involved in cellular digestion?

Which are recycling centers for the cell?

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