Cholesterol is best described as
a. a lipid.
b. a sterol.
c. an alcohol.
d. a fat.
e. a wax.

The molecule shown the figure is a ________.

a) Fatty acid.

b) Wax.

c) Steroid.

d) Triacylglycerol.

e) Phospholipid.

Choose the correct statement about biological waxes:

a) They contain at least one steroid molecule.

b) They are fatty acids bound to long chain alcohol molecules.

c) They are extremely hydrophilic.

d) They are made of 4 fused carbon ring molecules.

DRAW IT Draw a simple lipid, and show how it could be modified to a phospholipid.

Complete the table: <IMAGE>

Label the following fatty acids as saturated, monounsaturated, or polyunsaturated. <IMAGE>

Which of the following are hydrophobic organic molecules?

a. proteins

b. carbohydrates

c. lipids

d. nucleic acids

Describe the difference(s) among saturated fatty acids, unsaturated fatty acids, and polyunsaturated fatty acids.

Which type of fatty acids only contain Carbon-Carbon single bonds?

a) Unsaturated.

b) Saturated.

c) Trans fats.

d) Steroids.