[Biology] Lipids

INTROUCTION

Lipids are heterogenous group of organic compounds that are relatively insoluble in water and soluble in organic solvents, actually or potentially related to fatty acids and utilized by the living cells

CHEMICAL COMPOSITION

chemically, lipids are esters of fatty acids with alcohol

FATTY ACIDS:

  • Fatty acids are carboxylic acids with a hydrocarbon side chain.
Fatty acids are of two types
  1. When there is no double bond present in the hydrocarbon chain of fatty acids, these fatty acids are termed as saturated fatty acids
  1. When the hydrocarbon side chain of fatty acids contains double bonds, such fatty acids are termed as unsaturated fatty acids.

ALCOHOLS:

Alcohols are a group of organic compounds containing on or more hydroxyl groups attached to a carbon atom.

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