Lec18 Lipids

Post on 14-Jun-2015

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Transcript of Lec18 Lipids

LIPIDS

Bio3 Kawashima

sometimes known as fats, cholesterol,

triglycerides…

Lipids

• Triacylglycerols• Phospholipids• Steroids and Sterols• Others

Triacylglycerols are…

composed of fatty acids (VVVV) linked to a glycerol

(C3H5(OH)3) molecule through an ester bond

Fatty acids are…

long chains of carbon and hydrogen atoms linked by

covalent bonds with a carboxylic acid terminus

fatty acids are linked to glycerol via an ester bond

Phospholipids are composed of two fatty

acid chains and a phosphate group linked

to a glycerol molecule through an ester bond

phospholipids are amphipatic

Steroids are…

four heterocyclic ringed molecules composed of

carbon and hydrogen with various functional groups

attached to this ensemble