Enzymes & Energy
Authored by John Pische
Biology
9th - 12th Grade
NGSS covered
Used 78+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The substance that binds to an enzyme is called a?
Polypeptide
Co-enzyme
Vitamin
Substrate
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Changes in pH and temperature can ___________________ an enzyme which causes it to lose its shape and affects its function.
puncture
denature
double
delete
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the optimal pH for this enzyme?
6
10
9
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ____________________ mechanism describes how each substrate must fit into the enzyme.
lock and key
hammer and nail
jigsaw puzzle
seesaw
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of an enzyme?
control how many reactions occur
raise activation energy
give permission for the reaction
speed up chemical reactions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do substrates bind to an enzyme?
calcium channels
active site
receptor molecules
voltage-gated channels
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of the following affect the functioning of an enzyme EXCEPT:
pH
temperature
metabolism
enzyme concentration, substrate concentration, inhibitor molecules
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