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Worksheetsenzyme
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
Enzymes in your body probably work best at which of the following temperatures>
a)
25oC
b)
98oC
c)
37oC
d)
210oC
2.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
3.
What is the purpose of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
4.
Based on the graph, what is the optimal temperature for this enzyme?
a)
15oC
b)
40oC
c)
30oC
d)
35oC
5.
What is another name for enzymes?
a)
chemical catalysts
b)
microorganisms
c)
biological catalysts
d)
inorganic catalysts
6.
Letter D...
a)
active site
b)
enzyme
c)
substrate
d)
products
7.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
8.
Enzymes will make a reaction go _______ and use ______ energy.
a)
faster, less
b)
faster, more
c)
slower, less
d)
slower, more
9.
Enzymes are composed of what organic molecule?
a)
Sugars
b)
DNA
c)
Proteins
d)
Fatty Acids
10.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
11.
What is the optimal pH of enzyme A?
a)
8
b)
2
c)
5.7-10
d)
10
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