Biochemistry for Nurses

4

Composition and Metabolism of Lipids

CHAPTER OBJECTIVES

4.1 Introduction

4.2 Classification of lipids

4.3 Simple lipids

4.4 Compound lipids

4.5 Terpenoids and steroids

4.6 Derived lipids

4.7 Qualitative test of lipids

4.8 Metabolism of fatty acids

4.9 Biosynthesis of fatty acids

4.10 Cholesterol metabolism

4.11 Classification of plasma lipoproteins andthe systemic pathway of lipids

4.12 Biosynthesis of triacylglycerols

4.13 Metabolic disorder of lipids

4.1 INTRODUCTION

Biological molecules that are insoluble in aqueous solutions and soluble in organic solvents are classified as lipids. The lipids of physiological importance for humans have four major functions:

1. They serve as structural components of biological membranes.
2. They provide ...