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Enzymes
Test Description: Test your knowledge of enzymes by playing this review game!
Instructions: Answer all questions to get your test result.
1) What type of molecule is an enzyme?
A
Lipid
B
Nucleic Acid
C
Carbohydrate
D
Protein
2) What are enzymes made of?
A
amino acids
B
nucleotides
C
monosaccharides
D
fatty acids
3) What is the function of enzymes in living things?
A
they provide structure and support
B
they store energy for long periods of time
C
they store and transmit hereditary information
D
they catalyze chemical reactions
4) Enzymes speed up chemical reactions by
A
producing more substrate molecules
B
getting consumed in the reaction
C
lowering the activation energy of the reaction
D
creating heat energy
5) The molecules on which an enzyme acts is called a(n)
A
product
B
substrate
C
substituent
D
enzymatic molecule
6) The part of an enzyme to which the substrate attaches is called the
A
catalytic converter
B
bonding platform
C
activation energy
D
active site
7) The relationship between an enzyme and its substrate is often compared to a
A
house and front door
B
car and speed bump
C
hammer and nail
D
lock and key
8) Which of the following can affect the activity of an enzyme?
A
temperature
B
all of the above
C
pH
D
concentration (amount) of substrate
9) What does it mean for an enzyme to denature
A
it leaves the body
B
it is no longer organic
C
it loses its shape
D
it works more effectively
10) The enzyme pepsin works best at a pH of 2. What most likely will happen if pepsin is placed in a solution with a pH of 8?
A
there will be no change in its activity
B
its activity will increase
C
none of the above
D
its activity will decrease
*select an answer for all questions
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