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Enzymes
Test Description: Practice for test
Instructions: Answer all questions to get your test result.
1) What effect do enzymes have on chemical reactions?
A
nothing
B
stop
C
slow down
D
speed up
2) What is something specific about enzmes that does not change?
A
color
B
pH
C
shape
D
temperature
3) What are proteins that act as a biological catalyst?
A
enzymes
B
glucose
C
antibodies
D
hormones
4) What are the three letters that the name of most enzymes end in?
A
ABC
B
ATP
C
ACE
D
ASE
5) What are the reactants of enzymes called?
A
liver
B
product
C
substrates
D
mitochondria
6) Each enzyme has it's own ___ responsible for a particular reaction in the cell?
A
tool
B
color
C
size
D
job
7) What are two things that are optimum in enzymes?
A
Temperature and pH
B
Temperature and color
C
color and size
D
pH and shape
8) What is the energy needed to get a reaction started?
A
activation energy
B
deactivation energy
C
beginning energy
D
start up energy
9) What is a substance that speeds up the rate of a chemical reaction?
A
hydrogen peroxide
B
catalyst
C
antibodies
D
hormones
10) What is the result of a chemical reaction called?
A
hormones
B
glucose
C
product
D
substrate
*select an answer for all questions
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