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

Which of the following is NOT a physical condition required for the optimal function of an enzyme?

Substrate concentration

Temperature

Amino acid sequence of the enzyme

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Verified step by step guidance

Understand the role of physical conditions in enzyme activity: Enzymes are biological catalysts that require specific physical conditions to function optimally. These conditions include pH, temperature, and substrate concentration, as they directly influence the enzyme's structure and activity.

Analyze the options provided: pH, substrate concentration, and temperature are all physical conditions that affect enzyme activity. For example, pH can alter the ionization state of amino acid residues, temperature can affect the enzyme's kinetic energy, and substrate concentration impacts the rate of reaction.

Consider the amino acid sequence of the enzyme: The amino acid sequence is a genetic and structural property of the enzyme, not a physical condition. It determines the enzyme's primary structure and folding but does not change dynamically during enzyme function.

Compare physical conditions versus structural properties: Physical conditions like pH, temperature, and substrate concentration are external factors that can be adjusted to optimize enzyme activity. In contrast, the amino acid sequence is intrinsic to the enzyme and does not vary under normal conditions.

Conclude that the amino acid sequence of the enzyme is NOT a physical condition required for optimal enzyme function, as it is a fixed structural property rather than an adjustable external factor.