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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
shape
B
pH
C
temperature
D
color
3) What are proteins that act as a biological catalyst?
A
antibodies
B
glucose
C
enzymes
D
hormones
4) What are the three letters that the name of most enzymes end in?
A
ABC
B
ACE
C
ATP
D
ASE
5) What are the reactants of enzymes called?
A
mitochondria
B
liver
C
substrates
D
product
6) Each enzyme has it's own ___ responsible for a particular reaction in the cell?
A
color
B
size
C
tool
D
job
7) What are two things that are optimum in enzymes?
A
Temperature and color
B
color and size
C
pH and shape
D
Temperature and pH
8) What is the energy needed to get a reaction started?
A
deactivation energy
B
start up energy
C
activation energy
D
beginning energy
9) What is a substance that speeds up the rate of a chemical reaction?
A
catalyst
B
antibodies
C
hormones
D
hydrogen peroxide
10) What is the result of a chemical reaction called?
A
glucose
B
hormones
C
product
D
substrate
*select an answer for all questions
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