CH28 Lipids 2

What are omega-6 and omega-3 classified as?

• Carbohydrates

• Proteins

• Nucleic acids

• Fatty acids

Fats and oils are derivatives of which compound?

• Methanol

• Acetic acid

• Ethanol

• Glycerol

What type of linkage is found in triglycerides?

• Peptide linkage

• Glycosidic linkage

• Ester linkage

• Hydrogen bond

How many carbon chains are expected in triglycerides?

• 5 to 10 carbons

• 11 to 13 carbons

• 14 to 18 carbons

• 19 to 25 carbons

What are triglycerides prepared from?

• Glycerol and two fatty acid molecules

• Glycerol and five fatty acid molecules

• Glycerol and three fatty acid molecules

• Glycerol and four fatty acid molecules

What type of molecules are waxes?

• Metallic

• Polar

• Ionic

• Nonpolar

What is the primary function of waxes in nature?

• To facilitate plant growth

• To serve as a source of energy

• To act as a protective coating

• To provide nutrition

How much energy do fats provide per gram?

• 4.5 calories

• 9.5 calories

• 7.5 calories

• 5.5 calories

What is the preferred form of energy storage in the body?

• Carbohydrates

• Proteins

• Nucleotides

• Triglycerides

What happens to unused fats in the body?

• Converted into proteins

• They are immediately expelled

• Stored as triglycerides in fatty tissues

• Transformed into carbohydrates