The comparison of the structures of fats, phospholipids and sterols. Introduction: The fats are composed of triglyceride molecules in the lipid bilayer of the membrane. They are composed of three fatty acid molecules added to the glycerol backbone by the method of condensation. The phospholipids are lipid molecules which have a phosphate group attached. The sterols are cholesterol hydrophobic molecules, which are present on the membrane. These molecules provide the fluidity and rigidity to the membrane. Pictorial representation: The structure of fats, phospholipids and sterols are well represented in Fig. 1(a), (b) and (c). Fig. 1(a): Fat (triglyceride). Fig.1 (b): Phospholipid molecule. Fig. 1 (c): Steroid molecule (cholesterol) Fig.1 (a), (b) and (c): Structure of fat, phospholipids and steroid molecule.

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Chapter 2.5, Problem 1LO

Summary Introduction

To explain:

The comparison of the structures of fats, phospholipids and sterols.

Introduction:

The fats are composed of triglyceride molecules in the lipid bilayer of the membrane. They are composed of three fatty acid molecules added to the glycerol backbone by the method of condensation. The phospholipids are lipid molecules which have a phosphate group attached. The sterols are cholesterol hydrophobic molecules, which are present on the membrane. These molecules provide the fluidity and rigidity to the membrane.

Pictorial representation:

The structure of fats, phospholipids and sterols are well represented in Fig. 1(a), (b) and (c).

Fig. 1(a): Fat (triglyceride).

Fig.1 (b): Phospholipid molecule.

Fig. 1 (c): Steroid molecule (cholesterol)

Fig.1 (a), (b) and (c): Structure of fat, phospholipids and steroid molecule.

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