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

3. Energy & Cell Processes

Enzyme Inhibition

Anatomy & Physiology

3. Energy & Cell Processes

Enzyme Inhibition

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Multiple Choice

Which of these statements about enzyme inhibitors is true?

A competitive inhibitor binds to the enzyme at a place that is separate from the active site.

A noncompetitive inhibitor does not change the shape of the active site.

When the product of an enzyme or an enzyme sequence acts as its inhibitor, this is known as positive feedback.

Inhibition of enzyme function by compounds that are not substrates is something that only occurs under controlled conditions in the laboratory.

The action of competitive inhibitors may be reversible or irreversible.

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Verified step by step guidance

Understand the role of enzyme inhibitors: Enzyme inhibitors are molecules that bind to enzymes and decrease their activity. They can be classified into different types based on their mechanism of action.

Identify the types of enzyme inhibitors: The two main types are competitive and noncompetitive inhibitors. Competitive inhibitors bind to the active site of the enzyme, while noncompetitive inhibitors bind to a different site, causing a change in enzyme shape.

Evaluate the statements: Analyze each statement to determine its accuracy based on the definitions and characteristics of competitive and noncompetitive inhibitors.

Clarify the concept of feedback inhibition: Feedback inhibition occurs when the product of a reaction inhibits the enzyme that produces it, typically as a form of negative feedback to regulate metabolic pathways.

Determine the correct statement: The statement 'The action of competitive inhibitors may be reversible or irreversible' is true, as competitive inhibitors can either temporarily or permanently bind to the active site, affecting enzyme activity.