LIPIDS

What are lipids?

• Carbohydrates

• Proteins

• Fats and Oils

• Vitamins

Which of the following is NOT a type of lipid?

• Carbohydrates

• Sterols

• Phospholipids

• Waxes

Which macromolecules are lipids insoluble in?

• Both water and organic solvents

• Water

• Organic solvents

• Neither water nor organic solvents

What is the source of energy provided by lipids?

• 1 gram = 4 calories

• 1 gram = 7 calories

• 1 gram = 9 calories

• 1 gram = 12 calories

Which type of lipid is commonly found in margarine and processed foods?

• Sphingolipids

• Phospholipids

• Triglycerides

• Sterols

Which type of fatty acid does not contain carbon-to-carbon double bond?

• Saturated fatty acids

• Monounsaturated fatty acids

• Polyunsaturated fatty acids

• Essential fatty acids

Which type of fatty acid has two or more double bonds in the carbon chain?

• Saturated fatty acids

• Polyunsaturated fatty acids

• Monounsaturated fatty acids

• Essential fatty acids

Which of the following is an omega-3 fatty acid?

• Arachidonic acid

• Linoleic acid

• Alpha linolenic acid

• Eicosapentaenoic acid

Which type of fatty acid has a higher melting point?

• Saturated fatty acids

• Essential fatty acids

• Monounsaturated fatty acids

• Polyunsaturated fatty acids

Which type of fatty acid has a lower melting point?

• Saturated fatty acids

• Monounsaturated fatty acids

• Polyunsaturated fatty acids

• Essential fatty acids