Chapter 19, Problem 19.82P

Interpretation Introduction

(a)

Interpretation:

An example of a polyunsaturated fatty acid needs to be determined.

Concept introduction:

Polyunsaturated fatty acids are compounds with a carboxyl group, multiple double bonds and a carbon chain of 12-20 carbons.

Interpretation Introduction

(b)

Interpretation:

An example of a wax that is derived from a 12-carbon atom fatty acid needs to be determined.

Concept introduction:

Waxes are esters made up long chain alcohols and long chain carboxylic acids.

Interpretation Introduction

(c)

Interpretation:

An example of a polyunsaturated triacylglycerol needs to be determined.

Concept introduction:

Triacylglycerol is also known as triglyceride. It is made up of three fatty acids forming ester bonds with one glycerol molecule.

Interpretation Introduction

(d)

Interpretation:

An example of a cephalin needs to be determined.

Concept introduction:

Cephalin is a kind of phospholipid found in the cell membrane. It consists of glycerol, two fatty acids and a phosphate group bonded to an ethanolamine group.