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WorksheetsBio Unit 4 Part 2 Cellular Metabolism Test Review
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Which of these answers suggests that the shape of an enzyme determines the enzyme's function?
a)
enzymes are specific to substrate
b)
enzymes can operate in a wide range of conditions
c)
enzymes are activated by neighboring molecules
2.
If enzyme 2 is denatured, which will increase?
a)
lactose
b)
galactose
c)
galactose-1-phosphate
d)
glucose-1-phosphate
3.
Which of the following organic molecules are carbohydrates?
a)
amino acids
b)
fatty acids
c)
sugars
4.
ATP stores energy for cells to use in the bonds between its
a)
amino acids
b)
carbon atoms
c)
phosphates
5.
What is the effect of an inhibitor on an enzyme?
a)
they enzyme will be attacked by immune cells
b)
the enzyme will be unable to produce more enzymes
c)
a substrate will not be able to attach to the enzyme
6.
What is made of long chains of amino acids?
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
7.
Which molecules have a primary function of providing RAPIDLY AVAILABLE energy for living things?
a)
proteins
b)
carbohydrates
c)
fats
d)
nucleic acids
8.
How do enzymes speed up biochemical reactions?
a)
they provide energy to the reactants
b)
they absorb energy from the products
c)
they lower the activation energy of the reaction
9.
A cell contains
a)
thousands of different kinds of enzymes, each catalyzing a different reaction
b)
one kind of enzyme that catalyzes thousands of different reactions
c)
one enzyme that catalyzes photosynthesis and one that catalyzes respiration
10.
Both proteins and carbohydrates are which of the following?
a)
polymers made of smaller subunits
b)
sequences of sugars
c)
lipids of large molecules
11.
Which of the following best describes cellular respiration?
a)
the breakdown of sugar to release energy in cells
b)
the movement of water from outside a cell to inside the cell
c)
the removal of water from a cell
12.
When cells break down food molecules, energy is
a)
released all at once
b)
released entirely as body heat into the environment
c)
temporarily stored in ATP molecules
13.
What process is described by this equation?
a)
cellular respiration
b)
fermentation
c)
photosynthesis
14.
Which monomers join to form proteins?
a)
amino acids
b)
simple sugars
c)
fatty acids
15.
Which of these is a carbohydrate?
a)
A
b)
B
c)
C
d)
D
16.
Which of these is a lipid?
a)
A
b)
B
c)
C
d)
D
17.
Cells produce ATP most efficiently in the presence of
a)
water
b)
carbon dioxide
c)
oxygen
18.
What would happen to a plant that was kept in the dark?
a)
it would die from lack of food
b)
it would thrive and grow quickly
c)
it would conduct photosynthesis, but not cellular respiration
19.
Which of these compounds is an organic macromolecule?
a)
water (H2O)
b)
sucrose (C12H22O11)
c)
oxygen (O2)
20.
What determines the shape of a protein?
a)
the type and sequence of its amino acids
b)
its size
c)
its cell location
21.
What are the reactants of cellular respiration?
a)
water and glucose
b)
carbon dioxide and water
c)
glucose and oxygen
22.
What process converts light energy to chemical energy?
a)
cellular respiration
b)
fermentation
c)
photosynthesis
d)
glycolysis
23.
Where do reactants bind to an enzyme during a biochemical reaction?
a)
catalyst
b)
substrate
c)
active site
24.
What two things are used by chlorophyll to create glucose?
a)
O2 and ATP
b)
ATP and H2O
c)
CO2 and H2O
25.
What happens when a phosphate group is removed from an ATP molecule?
a)
energy is released
b)
an enzyme is formed
c)
energy is stored
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