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