Enzymes Lab Quiz: Questions with Verified
Solutions 2024 Update.
You are working in a real lab setting, and when you test the catalase and water
together you see a reaction. What does this tell you? (Select all that apply.)
A. -Catalase is not specific to hydrogen peroxide.
B. -Possible contaminant in the water causing a reaction.
C. -Catalase is the negative control.
D. -You must complete the experiment again to verify your results.
- Answer-
-Catalase is not specific to hydrogen peroxide.
-Possible contaminant in the water causing a reaction.
-Catalase is the negative control.
-You must complete the experiment again to verify your results.
How does an enzyme work to catalyze a reaction?
A. It supplies the energy to speed up a reaction.
B. It lowers the energy barrier needed for reactants to achieve the transition
state.
C. It lowers the energy barrier needed for reactants to achieve the transition state
or lowers the energy of activation of a reaction.
D. It lowers the energy of activation of a reaction.
E. It supplies the energy to speed up a reaction and lowers the energy barrier
needed for reactants to achieve the transition state.
- Answer- C. It lowers the energy barrier needed for reactants to achieve the
transition state or lowers the energy of activation of a reaction.
, Enzymes Lab Quiz: Questions with Verified
Solutions 2024 Update.
Catalase activity can be determined by
A. Measuring the ratio of catalase to oxygen.
B. Observing when the amount of hydrogen peroxide equals the amount of
oxygen.
C. Measuring the amount of catalase remaining in the chemical reaction.
D. Measuring the formation of hydrogen peroxide.
E. Measuring the formation of oxygen gas.
- Answer- E. Measuring the formation of oxygen gas.
An enzyme reduces the energy necessary to start a chemical reaction. This means
the rate of reaction will
A. Decrease.
B. Remain the same.
C. Increase.
D. Stop.
- Answer- C. Increase.
Enzymes in human cells tend to perform best
A. At 37°C.
B. At 98°C.
C. When the person has a fever.
D. At 60°C.
E. At 22°C. - Answer- A. At 37°C.
Solutions 2024 Update.
You are working in a real lab setting, and when you test the catalase and water
together you see a reaction. What does this tell you? (Select all that apply.)
A. -Catalase is not specific to hydrogen peroxide.
B. -Possible contaminant in the water causing a reaction.
C. -Catalase is the negative control.
D. -You must complete the experiment again to verify your results.
- Answer-
-Catalase is not specific to hydrogen peroxide.
-Possible contaminant in the water causing a reaction.
-Catalase is the negative control.
-You must complete the experiment again to verify your results.
How does an enzyme work to catalyze a reaction?
A. It supplies the energy to speed up a reaction.
B. It lowers the energy barrier needed for reactants to achieve the transition
state.
C. It lowers the energy barrier needed for reactants to achieve the transition state
or lowers the energy of activation of a reaction.
D. It lowers the energy of activation of a reaction.
E. It supplies the energy to speed up a reaction and lowers the energy barrier
needed for reactants to achieve the transition state.
- Answer- C. It lowers the energy barrier needed for reactants to achieve the
transition state or lowers the energy of activation of a reaction.
, Enzymes Lab Quiz: Questions with Verified
Solutions 2024 Update.
Catalase activity can be determined by
A. Measuring the ratio of catalase to oxygen.
B. Observing when the amount of hydrogen peroxide equals the amount of
oxygen.
C. Measuring the amount of catalase remaining in the chemical reaction.
D. Measuring the formation of hydrogen peroxide.
E. Measuring the formation of oxygen gas.
- Answer- E. Measuring the formation of oxygen gas.
An enzyme reduces the energy necessary to start a chemical reaction. This means
the rate of reaction will
A. Decrease.
B. Remain the same.
C. Increase.
D. Stop.
- Answer- C. Increase.
Enzymes in human cells tend to perform best
A. At 37°C.
B. At 98°C.
C. When the person has a fever.
D. At 60°C.
E. At 22°C. - Answer- A. At 37°C.
