Lipids Study Guide

Fat is formed when an alcohol and organic acids react.

• True

• False

Fatty acids, like all organic acids, contain

• No oxygen molecules

• a carboxyl group

• No hydrogen molecules

• one carbon molecule

Fats are called unsaturated because of

• The number of hydrogen atoms they contain

• Their melting points

• Their nitrogen content

• The double bonds they contain

The commercial process used to permanently change liquid oil to semisolid fats is called

• Hydrogenation

• solidification

• lipidization

• Sterilization

Successful frying with fat depends on

• The solidification point of the fat

• The smoking point of the fat

• Whether the fat is saturated or unsaturated

• Whether the fat has been hydrogenated or not

The term used to describe the unpleasant flavors that develop during the oxidation of fats is

• Aerate

• Gluten

• Rancid

• Polyunsaturated

Marine or fish oils are high in vitamins

• A and D

• A and C

• C and E

• B and A

The main function of fat in the body is to

• Provide energy

• Maintain body temperature

• Prevent heart disease

• Regulate the breakdown of protein

American consumer consumes ___% calories in the form of fat

• 25

• 35

• 45

• 55

Butter, lard, and margarine are all animal fats.

• True

• False