What happens to enzyme activity as temperature increases beyond the optimal point?

Enzyme Activity Factors: Temperature, pH, and Inhibition Insights

Interactive Video
•
Biology, Chemistry, Science
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It decreases slowly.
It remains constant.
It decreases sharply due to denaturation.
It continues to increase indefinitely.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an enzyme that operates best at a low pH?
Amylase
Pepsin
Lipase
Trypsin
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the optimal pH range for most enzymes?
4 to 5
2 to 3
6 to 8
9 to 10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the rate of reaction when the concentration of substrate is increased beyond a certain point?
It decreases.
It levels off.
It fluctuates.
It continues to increase.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of increasing enzyme concentration on the rate of reaction?
It stops the reaction.
It increases the rate.
It has no effect.
It decreases the rate.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a competitive inhibitor affect enzyme activity?
It enhances enzyme activity.
It changes the enzyme's shape.
It competes with the substrate for the active site.
It binds to the allosteric site.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of an activator in enzyme activity?
It enhances the enzyme's activity.
It competes with the substrate.
It decreases the rate of reaction.
It denatures the enzyme.
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