Podcast
Questions and Answers
What is the role of enzymes in biochemical reactions?
What is the role of enzymes in biochemical reactions?
- Have no impact on activation energy
- Transform products into substrates
- Increase the activation energy
- Decrease the activation energy (correct)
What is the function of the catalytic site in an enzyme's structure?
What is the function of the catalytic site in an enzyme's structure?
- Bind the product molecule
- Increase the activation energy
- Have no specific function
- Bind the reactant molecule (correct)
What is the purpose of a cofactor in enzyme catalysis?
What is the purpose of a cofactor in enzyme catalysis?
- Increase enzyme concentration
- Bind with the substrate molecule
- Provide structural support to enzymes
- Enhance enzyme activity (correct)
What is the role of the enzyme-substrate complex in an enzymatic reaction?
What is the role of the enzyme-substrate complex in an enzymatic reaction?
How does enzyme concentration compare to total substrate concentration in catalysis?
How does enzyme concentration compare to total substrate concentration in catalysis?
What does the Michaelis constant (Km) represent in enzyme kinetics?
What does the Michaelis constant (Km) represent in enzyme kinetics?
What is the purpose of a catalyst in a chemical reaction?
What is the purpose of a catalyst in a chemical reaction?
What characterizes inhibitors in the context of catalysis?
What characterizes inhibitors in the context of catalysis?
How do positive catalysts influence the number of effective collisions between reactants?
How do positive catalysts influence the number of effective collisions between reactants?
What is the main effect of a catalyst on a chemical reaction?
What is the main effect of a catalyst on a chemical reaction?
In enzyme catalysis, what is the function of an enzyme-substrate complex?
In enzyme catalysis, what is the function of an enzyme-substrate complex?
Why do catalysts not change the yield of a reaction?
Why do catalysts not change the yield of a reaction?
What term describes the step by step pathway by which a reaction occurs?
What term describes the step by step pathway by which a reaction occurs?
Which term refers to the number of species that must collide to produce the reaction indicated by an elementary step?
Which term refers to the number of species that must collide to produce the reaction indicated by an elementary step?
In enzyme catalysis, what term describes the species that appear in the mechanism of the reaction but not in the overall balanced equation?
In enzyme catalysis, what term describes the species that appear in the mechanism of the reaction but not in the overall balanced equation?
What is the term for a series of simple reactions that represent the progress of an overall reaction at the molecular level?
What is the term for a series of simple reactions that represent the progress of an overall reaction at the molecular level?
In most mechanisms, which step is typically slower than the others?
In most mechanisms, which step is typically slower than the others?
What controls the overall rate of a reaction in terms of its kinetics?
What controls the overall rate of a reaction in terms of its kinetics?
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