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 Binding Factors

Anatomy & Physiology

3. Energy & Cell Processes

Enzyme Binding Factors

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Problem 1

Textbook Question

What is meant by the term induced fit?

Verified step by step guidance

The term 'induced fit' refers to a model of enzyme-substrate interaction.

Initially, the enzyme and substrate do not fit perfectly together.

When the substrate binds to the enzyme's active site, the enzyme undergoes a conformational change.

This change in shape allows the enzyme to fit more snugly around the substrate, enhancing the catalytic activity.

The induced fit model explains how enzymes can be highly specific and efficient in catalyzing reactions.

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Key Concepts

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

Induced Fit Model

The induced fit model describes how enzymes and substrates interact. Unlike the lock-and-key model, which suggests a perfect fit, the induced fit model posits that the enzyme changes shape upon substrate binding. This conformational change enhances the enzyme's ability to catalyze the reaction, making the interaction more efficient.

Enzyme-Substrate Interaction

Enzyme-substrate interaction is a fundamental concept in biochemistry, where enzymes act as catalysts to speed up chemical reactions. The substrate is the molecule upon which the enzyme acts. Understanding this interaction is crucial for grasping how enzymes lower activation energy and increase reaction rates, which is central to metabolic processes.

Conformational Change

Conformational change refers to the alteration in the shape of a protein, such as an enzyme, in response to binding with a substrate or other molecules. This change is essential for the function of many proteins, as it can affect their activity, stability, and interactions with other biomolecules, thereby playing a critical role in biological processes.