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

Optimal Enzyme Conditions

Biochemistry

6. Enzymes and Enzyme Kinetics

Optimal Enzyme Conditions

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Multiple Choice

The best way to increase the reaction rate for an enzyme saturated with substrate is always to:

Increase the pH.

Increase the temperature.

Increase [enzyme].

Increase [substrate].

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Verified step by step guidance

Understand the concept of enzyme saturation: When an enzyme is saturated with substrate, it means that all active sites of the enzyme molecules are occupied by substrate molecules, and the reaction rate has reached its maximum.

Consider the effect of increasing substrate concentration: Since the enzyme is already saturated, increasing the substrate concentration will not increase the reaction rate further, as there are no free active sites available.

Evaluate the impact of increasing enzyme concentration: Adding more enzyme molecules will provide additional active sites for the substrate, thus increasing the reaction rate even when the substrate concentration is already high.

Analyze the effect of pH and temperature: While changes in pH and temperature can affect enzyme activity, they do not directly address the issue of saturation. Optimal pH and temperature are important for enzyme function but do not increase the reaction rate when the enzyme is saturated.

Conclude that increasing enzyme concentration is the most effective way to increase the reaction rate when the enzyme is saturated with substrate, as it provides more active sites for the reaction to occur.