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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
Protein
C
Nucleic Acid
D
Carbohydrate
2) What are enzymes made of?
A
nucleotides
B
monosaccharides
C
amino acids
D
fatty acids
3) What is the function of enzymes in living things?
A
they catalyze chemical reactions
B
they store energy for long periods of time
C
they provide structure and support
D
they store and transmit hereditary information
4) Enzymes speed up chemical reactions by
A
getting consumed in the reaction
B
producing more substrate molecules
C
creating heat energy
D
lowering the activation energy of the reaction
5) The molecules on which an enzyme acts is called a(n)
A
substituent
B
enzymatic molecule
C
product
D
substrate
6) The part of an enzyme to which the substrate attaches is called the
A
active site
B
bonding platform
C
catalytic converter
D
activation energy
7) The relationship between an enzyme and its substrate is often compared to a
A
car and speed bump
B
hammer and nail
C
lock and key
D
house and front door
8) Which of the following can affect the activity of an enzyme?
A
pH
B
concentration (amount) of substrate
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 leaves the body
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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