3-Macromolecules

3-Macromolecules - Macromolecules Macromolecules 1. 2. 3....

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1 1 Macromolecules Dr. Beth Dawson BIO 3, Fall 2010 San José State University 2 Macromolecules 1. Sugars 2. Lipids, fats 3. Amino acids 4. Nucleotides 3 • Carbohydrates – (CH 2 O) n – If n=5 C 5 H 10 O 5 • Aldose vs. Ketose – Aldehyde -CHO – Ketone -CO- Sugars 4 • Glucose – C 6 H 12 O 6 – Aldohexose Sugars 5 Sugars 6 Sugars
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2 7 Sugars 8 Sugars 9 • Storage polysaccharides – Glycogen (animals) and starch (plants) • Structural polysaccharides – Cellulose (plants) – Indigestible because of Beta 1-4 linkages 10 Lipids Hydrophobic, not water soluble Mostly nonpolar Amphipathic Classes 1. Fatty acids 2. Triacylglycerols 3. Phospholipids 4. Steroids 5. Glycolipids And others 11 Lipids, Fatty Acids 12 Lipids, Fatty Acids • Saturated – Single bonds – Straight – Solid
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13 Lipids, Fatty Acids 14 Lipids, Fatty Acids • Saturated fatty acids – E.g. Palmitate, 16 Carbons, 31 Hydrogens – CH 3 (CH 2 ) 14 COO - • Unsaturated fatty acids – E.g. Palmitoleate, 16 Carbons, 29 Hydrogens – CH 3 (CH 2 ) 5 CH=CH(CH
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This note was uploaded on 05/24/2011 for the course BIO 3 taught by Professor Dylan during the Spring '11 term at Evergreen Valley.

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3-Macromolecules - Macromolecules Macromolecules 1. 2. 3....

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