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 Heart2h 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 Binding Factors

Anatomy & Physiology

3. Energy & Cell Processes

Enzyme Binding Factors

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Multiple Choice

What is meant by the "induced fit" of an enzyme?

The substrate can be altered so that it is induced to fit into the enzyme's active site.

The enzyme structure is altered so that it can be induced to fit many different types of substrate.

The presence of the substrate in solution induces the enzyme to slightly change its structure.

The shape of the active site is nearly perfect for specifically binding the enzyme's substrate or substrates.

The enzyme changes its shape slightly as the substrate binds to it.

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Verified step by step guidance

Begin by understanding the concept of enzyme-substrate interaction. Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy required for the reaction.

Recognize that enzymes have an active site, which is a specific region where the substrate binds. The active site is typically complementary in shape to the substrate, allowing for specificity in binding.

Learn about the 'induced fit' model, which suggests that the binding of the substrate induces a conformational change in the enzyme. This change enhances the fit between the enzyme and the substrate, optimizing the interaction.

Understand that the induced fit model contrasts with the 'lock and key' model, where the enzyme and substrate fit together without any structural change. The induced fit model allows for a more dynamic interaction.

Conclude that the correct explanation of 'induced fit' is that the enzyme changes its shape slightly as the substrate binds to it, facilitating a more effective catalytic process.