Table of contents

1. Introduction to Biochemistry4h 34m
2. Water3h 23m
3. Amino Acids8h 10m
4. Protein Structure10h 4m
5. Protein Techniques14h 5m
6. Enzymes and Enzyme Kinetics13h 38m
7. Enzyme Inhibition and Regulation 8h 42m
8. Protein Function 9h 41m
9. Carbohydrates7h 49m
10. Lipids5h 49m
11. Biological Membranes and Transport 6h 37m
12. Biosignaling9h 45m
Review 1: Nucleic Acids, Lipids, & Membranes2h 47m
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway3h 12m
Review 3: Pyruvate & Fatty Acid Oxidation, Citric Acid Cycle, & Glycogen Metabolism2h 26m
Review 4: Amino Acid Oxidation, Oxidative Phosphorylation, & Photophosphorylation1h 48m

6. Enzymes and Enzyme Kinetics

Enzyme-Substrate Complex

Biochemistry

6. Enzymes and Enzyme Kinetics

Enzyme-Substrate Complex

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Multiple Choice

What is the name of the region where a reactant (substrate) binds to an enzyme?

Allosteric site

Active site

Regulatory domain

Cofactor binding site

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Verified step by step guidance

Understand the role of enzymes in biochemical reactions: Enzymes are biological catalysts that speed up reactions by lowering the activation energy required for the process.

Learn about the substrate: The substrate is the reactant molecule that binds to the enzyme to undergo a chemical transformation.

Identify the region where the substrate binds: The substrate binds to a specific region on the enzyme called the 'active site,' which is uniquely shaped to fit the substrate like a key fits into a lock.

Differentiate the active site from other regions: The active site is distinct from other regions such as the allosteric site (which binds regulatory molecules), the regulatory domain (which controls enzyme activity), and the cofactor binding site (which binds non-protein molecules required for enzyme function).

Conclude that the correct answer is the 'active site,' as it is the region where the substrate directly interacts with the enzyme to form the enzyme-substrate complex.