Properties of Lipids

What is the most abundant type of lipid on earth?

• Triglyceride

• Phospholipid

• Sterol

• Carbohydrate

Which element is not found in lipids?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

What is the main function of triglycerides?

• Insulation

• Waterproofing

• Energy storage

• Cell membrane formation

Which type of fatty acid remains liquid at room temperature?

• Saturated

• Unsaturated

• Monounsaturated

• Polyunsaturated

What is the bond called between a glycerol and a fatty acid in a triglyceride?

• Peptide bond

• Glycosidic linkage

• Ester linkage

• Hydrogen bond

What is the dual personality of phospholipids?

• Hydrophilic and hydrophobic

• Polar and nonpolar

• Positive and negative

• Acidic and basic

What is the function of sterols in the body?

• Energy storage

• Cell membrane formation

• Hormone production

• Insulation

What is the purpose of the bi layer structure in cell membranes?

• To repel water

• To allow water to enter the cell

• To provide insulation

• To separate organelles

Which type of fat is considered bad for health?

• Saturated fat

• Unsaturated fat

• Monounsaturated fat

• Polyunsaturated fat

What is the main function of lipids in the body?

• Energy storage

• Cell structure

• Enzyme production

• DNA replication