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WorksheetsBio A Biochemistry Quest 3
Total questions: 16
Worksheet time: 8mins
Name
Class
Date
1.
Which is NOT a macromolecule?
a)
Water
b)
Proteins
c)
Carbohydrates
d)
Lipids (fats)
2.
Why is water so good at sticking to other molecules and itself?
a)
It's sticky.
b)
It's polar.
c)
It's perfectly balanced.
d)
It's a solvent.
3.
Where is energy stored in a molecule?
a)
bonds
b)
molecules
c)
the sun
d)
atoms
4.
How do consumers (organisms that are not plants) get energy?
a)
from the sun
b)
from food
c)
from physical movement
d)
from coal
5.
_____ must break in order for our bodies to use the energy we eat.
a)
Elements
b)
Monomers
c)
Polymers
d)
Bonds
6.
The process of ______ adds one water molecule to break a bond.
a)
dehydration synthesis
b)
hydrolysis
7.
The process of ______ breaks a bond and releases energy.
a)
dehydration synthesis
b)
hydrolysis
8.
Taking away a water molecule _____ a bond.
a)
builds
b)
breaks
9.
What is the polymer of carbohydrates?
a)
glucose
b)
amino acid
c)
peptide
d)
starch
10.
What elements make up proteins?
a)
Carbon, Hydrogen, Oxygen
b)
Carbon, Hydrogen, Nitrogen
c)
Carbon, Hydrogen, Oxygen, Nitrogen
d)
Carbon, Hydrogen, Nitrogen, Phosphate
11.
What is the monomer of proteins?
a)
glucose
b)
amino acid
c)
peptide
d)
monosaccharide
12.
Which list is in the correct order from smallest to largest?
a)
amino acid, peptide, polypeptide, protein
b)
protein, amino acid, peptide, polypeptide
c)
peptide, polypeptide, amino acid, protein
d)
amino acid, protein, peptide, polypeptide
13.
Our bodies need 20 different kinds of amino acids. How many kinds do our bodies make?
a)
20
b)
11
c)
10
d)
9
14.
Which is NOT a job of proteins in our bodies?
a)
building muscle
b)
transportation
c)
quick energy
d)
body structure
15.
Which is NOT a shape of proteins?
a)
chain
b)
twisted
c)
twisted and folded
d)
straight line
16.
Which image shows a protein?
a)
A
b)
B
c)
C
d)
D
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