Section 24.3
Lipids
Practice Test
1.
________________ are the building blocks of lipids.
a.
Polysaccharides
b.
Fatty acids
c.
Carbohydrates
d.
Polymers
Hint
2.
Large biological molecules that are nonpolar belong to a class of molecules called _________.
SC.A.2.4.2
a.
enzymes
b.
lipids
c.
proteins
d.
carbohydrates
Hint
3.
Steroids are a type of lipid. What is the structure of a steroid?
a.
The structure is composed entirely of water—soluble molecules.
b.
The structure has many fatty acids.
c.
The structure uses peptide bonds.
d.
The basic structure is composed of four rings.
Hint
4.
____________ is the common name given to a triglyceride that is a solid at room temperature.
a.
Cholesterol
b.
A wax
c.
A fat
d.
An oil
Hint
5.
What functional group do fatty acids and amino acids have in common?
SC.A.2.4.2
a.
carbonyl
b.
amide
c.
amino
d.
carboxyl
Hint
6.
What is the process in which triglycerides react with a strong, inorganic base such as sodium hydroxide to produce carboxylate salts and glycerol?
SC.A.1.4.1
a.
peptide linkage
b.
saponification
c.
polymerization
d.
lipogenesis
Hint
