Macromolecules Part 2 Thornburg 2014.  All carbohydrates contain C,H, and O  Carbohydrates have the formula C n (H 2 O) n  Glucose: C 6 H 12 O 6 Group.

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Presentation transcript:

Macromolecules Part 2 Thornburg 2014

 All carbohydrates contain C,H, and O  Carbohydrates have the formula C n (H 2 O) n  Glucose: C 6 H 12 O 6 Group #3: Carbohydrates Thornburg 2014

 Carbohydrates are classified based on the number of sugar units in the molecule  Monosaccharide-1 sugar  Disaccharide-2 sugars  Polysaccharide-many sugars Thornburg 2014

 These are simple sugars composed of 1 sugar unit  Ex: Glucose Monosaccharides Thornburg 2014

 molecules composed of 2 sugar subunits  Example: Maltose Disaccharides Thornburg 2014

 Are carbohydrate polymers  Examples:  starch  glycogen  Cellulose Starch molecule Polysaccharides Thornburg 2014

Glycogen Thornburg 2014

Carbohydrate Functions  Energy Storage– Glycogen and Starch  Structure - Cellulose  Provide Cellular Energy – Glucose Thornburg 2014

 Lipids are organic molecules made from C,H, and O  All lipids are hydrophobic (water fearing, will not dissolve in water) Group #4: Lipids Thornburg 2014

 Lipids are composed of…  a glycerol (a type of alcohol) head  2 or more fatty acid tails (usually 3 fatty acid tails Lipid Structure Thornburg 2014

Saturated & Unsaturated Fatty Acids Thornburg 2014

Lipid Structure Glycerol “head” Fatty Acid “tails” Thornburg 2014

 Are a type of lipid  composed of 4 carbon rings bonded together  Act as chemical messengers in living organisms Steroids Thornburg 2014

 Energy Storage – Triglycerides  Form Membranes – Phospholipids  Chemical Messengers - Steroids Functions of Lipids Thornburg 2014

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