The reason forthe presence of the higher percentage of unsaturated fatty acids in triacylglycerols present in the body of animals that live in a cold climate needs to be explained. Concept Introduction: Lipids are biomolecules that are involved in different biochemical reactions. They are special types of organic molecules which can only be identified with the help of their physical properties, not by the presence of any certain functional group. In general, lipids contain a large number of C-C and C-H bonds with few polar functional groups such as −OH, -SH, etc. For example, triacylglycerol consists of three ester groups whereas Vitamin E is composed of both ether and phenolic groups.

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Chapter 19, Problem 91P

Interpretation Introduction

Interpretation:

The reason forthe presence of the higher percentage of unsaturated fatty acids in triacylglycerols present in the body of animals that live in a cold climate needs to be explained.

Concept Introduction:

Lipids are biomolecules that are involved in different biochemical reactions. They are special types of organic molecules which can only be identified with the help of their physical properties, not by the presence of any certain functional group. In general, lipids contain a large number of C-C and C-H bonds with few polar functional groups such as −OH, -SH, etc. For example, triacylglycerol consists of three ester groups whereas Vitamin E is composed of both ether and phenolic groups.

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