Macromolecules Post Winter 2009

Macromolecules Post Winter 2009 - Lipids **...

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Carbohydrates X All Carbohydrates are Composed of Sugar Units . X 1 Unit or many Sugar Units X Carbohydrates are Broken Into 3 General Classes. Monosaccharides X Mono = X Sacchar = X Glucose ( Most Common ) X Fructose X Galactose X Most are Water Soluble and Have a Sweet Taste. E X A M P L E S Disaccharides X Di = X Oligo = X E x a m p l e s X Glucose + Glucose X Glucose + Galactose X Glucose + Fructose X Most are Water Soluble and Have a Sweet Taste. Polysaccharides X Poly = E X A M P L E S d Starch : Found in Plants } Starch Molecules = d Glycogen : Found in Animals } Glycogen Molecules = Polysaccharides Continued d Cellulose : Found in Plants X Structural Polysaccharide ( strong ) } Cellulose = Commonly Called ________________ X Humans get NO Nutritional Value from Cellulose 2 Important Terms X Hydrophobic : Hydro = Phobic = } Weak or no Affinity For Water. X Hydrophilic : Hydro = Philic = } Strong Affinity For Water.
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Unformatted text preview: Lipids ** Characteristically Greasy / Oily Substances ! ** Hydrophobic Substances ! ** Lipid is a Common (General) Term Used For : ** Fats ! ** Phospholipids ! ** Steroids (Sterols) ! Fats ** Function = ** One Gram of Fat Stores over 2 Times the Energy as One Gram of a Polysaccharide. ** 2 Basic Components = Glycerol + Fatty Acids ! ** Forms : Triglycerides . Fats Saturated Fats Unsaturated Phospholipids ** Biologically Very Important. ** Major Component of Cell Membranes. ** One Hydrophilic & One Hydrophobic End. Sterols ** Sterols All Have a Backbone of 4 Carbon Rings. ** Cholesterol is the Main Type in Animals. ** Cholesterol is Modified to Form Estrogen, Testosterone & Vitamin D. 36...
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Macromolecules Post Winter 2009 - Lipids **...

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