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WorksheetsEnzymes Quiz
Total questions: 11
Worksheet time: 21mins
Name
Class
Date
1.
Enzymes are...
a)
nucleic acids
b)
proteins
c)
lipids
d)
carbohydrates
2.
With what 3 letters do enzymes typically end?
a)
-ose
b)
-ase
c)
-ese
d)
-tic
3.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
4.
What is indicated by letter A?
a)
enzyme
b)
product
c)
substrate
d)
active site
5.
What is indicated by letter B?
a)
enzyme
b)
product
c)
substrate
d)
active site
6.
What is indicated by letter C?
a)
enzyme
b)
product
c)
substrate
d)
active site
7.
Any substance that is acted upon by an enzyme is called a(n)?
a)
Coenzyme
b)
Substrate
c)
Vitamin
d)
Polypeptide
8.
Where do substrates bind on an enzyme?
a)
voltage-gated channels
b)
surface receptor
c)
calcium channels
d)
active site
9.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered, known as denaturing.
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
10.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
11.
Molecules that end in -OSE provide ___________ for living things. They are in the ______________ group of biomolecules.
a)
energy, carbohydrates
b)
storage, lipids
c)
insulation, proteins
d)
instructions, nucleic acids
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