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Questions and Answers
What type of enzyme inhibition occurs when the inhibitor binds to a different part of the enzyme, changing its shape and decreasing the reaction rate?
What type of enzyme inhibition occurs when the inhibitor binds to a different part of the enzyme, changing its shape and decreasing the reaction rate?
- Reversible inhibition
- Competitive inhibition
- Feedback inhibition
- Non-competitive inhibition (correct)
Which type of inhibition occurs when the end product of a reaction binds to the enzyme at the start of the pathway, stopping the pathway until the end product concentration decreases?
Which type of inhibition occurs when the end product of a reaction binds to the enzyme at the start of the pathway, stopping the pathway until the end product concentration decreases?
- Non-competitive inhibition
- Feedback inhibition (correct)
- Competitive inhibition
- Reversible inhibition
What is the key difference between competitive and non-competitive inhibition?
What is the key difference between competitive and non-competitive inhibition?
- Competitive inhibitors decrease the Vmax, while non-competitive inhibitors decrease the Km.
- Competitive inhibitors bind to the active site, while non-competitive inhibitors bind elsewhere on the enzyme. (correct)
- Competitive inhibitors are reversible, while non-competitive inhibitors are irreversible.
- Competitive inhibitors increase the reaction rate, while non-competitive inhibitors decrease the reaction rate.
What is the main advantage of immobilizing enzymes in alginate?
What is the main advantage of immobilizing enzymes in alginate?
How does the Michaelis-Menten equation relate the velocity of an enzyme reaction (V) to the concentration of the substrate [S]?
How does the Michaelis-Menten equation relate the velocity of an enzyme reaction (V) to the concentration of the substrate [S]?
What is the main difference between reversible and irreversible enzyme inhibition?
What is the main difference between reversible and irreversible enzyme inhibition?
Which of the following statements about competitive inhibitors is correct?
Which of the following statements about competitive inhibitors is correct?
Which of the following factors can lead to the denaturation of an enzyme?
Which of the following factors can lead to the denaturation of an enzyme?
What is the effect of increasing the concentration of non-competitive inhibitors on the rate of an enzyme-catalyzed reaction?
What is the effect of increasing the concentration of non-competitive inhibitors on the rate of an enzyme-catalyzed reaction?
What happens to the rate of an enzyme-catalyzed reaction at very high temperatures?
What happens to the rate of an enzyme-catalyzed reaction at very high temperatures?
Which of the following statements about the effect of pH on enzyme activity is correct?
Which of the following statements about the effect of pH on enzyme activity is correct?
How do competitive inhibitors affect the rate of an enzyme-catalyzed reaction?
How do competitive inhibitors affect the rate of an enzyme-catalyzed reaction?
Which of the following statements about competitive inhibition is correct?
Which of the following statements about competitive inhibition is correct?
How can the effects of competitive inhibition be overcome?
How can the effects of competitive inhibition be overcome?
Which of the following is a characteristic of non-competitive inhibition?
Which of the following is a characteristic of non-competitive inhibition?
If an enzyme is inhibited by both a competitive and a non-competitive inhibitor, what would be the effect on the enzyme's $V_{max}$ (maximum velocity)?
If an enzyme is inhibited by both a competitive and a non-competitive inhibitor, what would be the effect on the enzyme's $V_{max}$ (maximum velocity)?
Which of the following statements about enzyme inhibitors is correct?
Which of the following statements about enzyme inhibitors is correct?
In a competitive inhibition scenario, what would be the effect of increasing the substrate concentration on the reaction rate?
In a competitive inhibition scenario, what would be the effect of increasing the substrate concentration on the reaction rate?
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