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Lipids; Triglycerides and phospholipids.

Triglycerides: Made up of Glycerol and three fatty acids. The fatty acids are bonded to the glycerol by ester bonds which are formed by condensation reactions between the OH groups of Glycerol and a Hydrogen atom in the fatty acid chain.

Phospholipids: These are made up of glycerol, two fatty acids and a phosphate group. Phosphor and a group X are bonded to the third OH group. Group X affects the properties of the lipid.

Phospholipids are amphipathic because they have a hydrophilic head and a hydrophobic tail. This gives phospholipids unique properties.

Lipids are insoluble in water because it is non - polar. However they will dissolve in ethanol because that too is non-polar.

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9y ago

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