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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
speed up
B
slow down
C
stop
D
nothing
2) What is something specific about enzmes that does not change?
A
color
B
pH
C
temperature
D
shape
3) What are proteins that act as a biological catalyst?
A
glucose
B
antibodies
C
enzymes
D
hormones
4) What are the three letters that the name of most enzymes end in?
A
ATP
B
ASE
C
ABC
D
ACE
5) What are the reactants of enzymes called?
A
substrates
B
mitochondria
C
liver
D
product
6) Each enzyme has it's own ___ responsible for a particular reaction in the cell?
A
size
B
color
C
job
D
tool
7) What are two things that are optimum in enzymes?
A
color and size
B
pH and shape
C
Temperature and color
D
Temperature and pH
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
antibodies
B
hormones
C
catalyst
D
hydrogen peroxide
10) What is the result of a chemical reaction called?
A
hormones
B
substrate
C
product
D
glucose
*select an answer for all questions
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