Enzymes and pH

Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is being represented by the letter B in the image?
Substrate
Enzyme
Substrate
Product
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which enzyme is most efficient in a basic solution?
A
B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Every enzyme has a optimal temperature and pH. True or False?
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.
lower
higher
the same
none of the above
5.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
What does pH measure?
the amount of hydrogen (H+) ions
the amount of hydroxide (OH-) ions
amount of water
all of the above
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does pH affect enzyme activity?
Enzymes work best at a specific pH
Enzymes are not affected by pH
Enzymes work best at any pH
Enzymes are destroyed by pH
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to an enzyme when the pH is too high or too low?
It becomes more active
It becomes denatured
It becomes more stable
It becomes more acidic
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