Lipids

Which of the following is not a classification of lipids?

• Fatty acids

• Glycerides

• Polysaccharides

• Non-glycerides

Which type of fatty acids contains only single C-C bonds?

• Saturated

• Unsaturated

• Polyunsaturated

• Trans fatty acids

The process of hydrogenation of oils results in:

• Lower melting point

• Formation of esters

• Conversion of double bonds to single bonds

• Hydrolysis of fats

A triglyceride is formed through:

• Hydrolysis of glycerol

• Esterification of glycerol with three fatty acids

• Deamination of proteins

• Condensation of amino acids

What is the polar component of phosphoglycerides?

• Alkyl tail

• Fatty acids

• Phosphoryl group

• Glycerol

Differentiate between saturated and unsaturated fatty acids in terms of physical properties.

Explain the process of saponification and name the products formed.

Describe the structure of phosphatidylcholine (lecithin) and explain it's emulsifying role.

What are the two major types of glycerides and how do they differ structurally?

Outline the difference between fats and oils in terms of composition and physical state.