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

Enzymes

Biochemistry

6. Enzymes and Enzyme Kinetics

Enzymes

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Multiple Choice

Which graph below corresponds with a reaction that has an equilibrium constant less than 1 (Keq < 1)?

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Verified step by step guidance

Understand the concept of equilibrium constant (Keq). It is defined as the ratio of the concentration of products to the concentration of reactants at equilibrium. Mathematically, it is expressed as:

K e q = \frac{[Product]}{[Substrate]}

Analyze the graphs provided. Each graph shows the change in concentration of substrate and product over time until equilibrium is reached.

In the first graph, the concentration of the product is higher than the substrate at equilibrium, indicating a Keq greater than 1.

In the second graph, the concentrations of substrate and product are approximately equal at equilibrium, suggesting a Keq close to 1.

In the third graph, the concentration of the substrate is higher than the product at equilibrium, indicating a Keq less than 1. This is the graph that corresponds to a reaction with an equilibrium constant less than 1.