
Enzyme Activity and Experimentation

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

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the substrate used in the catalase experiment?
Potato extract
Water
Hydrogen peroxide
Oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the potato extract in the experiment?
It is a control variable
It serves as the enzyme
It is used to dilute the solution
It acts as a substrate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the enzyme solution prepared in the experiment?
By mixing potato extract with hydrogen peroxide
By diluting hydrogen peroxide with water
By mixing potato extract with water
By using a pre-made enzyme powder
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the disk when it is placed in the hydrogen peroxide solution?
It dissolves
It floats immediately
It sinks and then rises
It remains at the bottom
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to change the hydrogen peroxide solution between readings?
To maintain consistent substrate concentration
To ensure the enzyme is fresh
To increase the reaction speed
To prevent contamination
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is expected when the substrate concentration reaches a maximum?
The reaction stops
The reaction slows down
The enzyme works at maximum speed
The enzyme becomes inactive
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a leveling off on the graph indicate?
The temperature is too high
The reaction has stopped
The enzyme is saturated
The substrate is depleted
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