Chapter 20, Problem 4E

Interpretation Introduction

(a)

Interpretation:

The type of linkage that joins glycerol and a carboxylic acid in a lipid is to be stated.

Concept introduction:

Lipids are the water-insoluble compounds found in the living organisms. Lipids are parted into three classes (1) Fats, oils and phospholipids, (2) waxes, and (3) steroids.

Interpretation Introduction

(b)

Interpretation:

The type of linkage that joins the repeating units in a nucleic acid is to be stated.

Concept introduction:

Biological compounds are those compounds which have high molar mass and a complex structure. Biological compounds are large molecules which are made up of small molecules linked through a continuous chain.