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Enzyme Practice
Test Description: Enzyme review
Instructions: Answer all questions to get your test result.
1) How are enzymes specific?
A
They only work in humans
B
They only work during the day
C
They only work at night
D
They only work on one substrate
2) What are the materials that go into an enzyme reaction called?
A
solutes
B
substrates
C
products
D
solutions
3) What are the materials that come out of an enzyme reaction called?
A
solutes
B
products
C
substrates
D
solutions
4) What is a catalyst?
A
something that is used up in a reaction
B
something that speeds up reactions
C
Something that slows down reactions
D
something that makes lipids
5) Enzymes are made of
A
carbohydrates
B
proteins
C
lipids
D
fats
6) Enzymes
A
do nothing to affect the activation energy
B
double the activation energy
C
lower the activation energy
D
make sure the activation energy stays the same
7) Enzymes work in a very narrow range of two main factors,
A
temperature and oxygen
B
pH and oxygen
C
density and location
D
pH and temperature
8) What happens when an enzyme denatures?
A
change shape and no longer work
B
change color
C
change shape and work faster
D
change location in the cell
9) Enzymes are used up in a reaction?
A
true
B
false
10) Enzymes work best in what conditions?
A
on Tuesdays
B
at pH of 5
C
it depends on what the enzyme is for
D
at body temperature
*select an answer for all questions
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