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Questions and Answers
What is the primary function of enzymes in chemical reactions?
What is the primary function of enzymes in chemical reactions?
- They decrease the activation energy required for the reaction. (correct)
- They act as reactants in the reaction.
- They increase the concentration of substrates.
- They increase the temperature of the reaction.
In the lock-and-key model of enzyme action, how is the shape of the active site described?
In the lock-and-key model of enzyme action, how is the shape of the active site described?
- Changing for each substrate.
- Flexible and adapting.
- Rigid and unchanging. (correct)
- Variable depending on substrate concentration.
Which model of enzyme action allows for a greater range of substrate specificity?
Which model of enzyme action allows for a greater range of substrate specificity?
- Lock-and-Key Model.
- Comparative Fit Model.
- Induced Fit Model. (correct)
- Basic Structure Model.
What occurs during the formation of the enzyme-substrate complex?
What occurs during the formation of the enzyme-substrate complex?
What environmental condition can be most detrimental to enzyme activity?
What environmental condition can be most detrimental to enzyme activity?
Which of the following factors does NOT affect enzyme activity?
Which of the following factors does NOT affect enzyme activity?
What happens to the enzyme after it has catalyzed a reaction?
What happens to the enzyme after it has catalyzed a reaction?
What is the optimum pH range for most enzyme activity?
What is the optimum pH range for most enzyme activity?
What defines an apoenzyme?
What defines an apoenzyme?
What is required for the catalysis of chemical reactions by enzymes?
What is required for the catalysis of chemical reactions by enzymes?
Which of the following correctly describes a cofactor?
Which of the following correctly describes a cofactor?
What is the function of the active site on an enzyme?
What is the function of the active site on an enzyme?
Which of the following describes the specificity of enzymes?
Which of the following describes the specificity of enzymes?
What is the role of coenzymes?
What is the role of coenzymes?
What is activation energy?
What is activation energy?
Which statement about ribozymes is correct?
Which statement about ribozymes is correct?
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