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Unformatted text preview: aldehyde = aldose Triose Tetrose 2 (n-3) stereoisomers of ketoses c.f. 2 (n-2) Pentose Hexose stereoisomers of aldoses 11/13/2009 2 Monosaccharides can form ring structures Note that unlike condensation reactions there is NO loss of a water molecule in these cyclization reactions. α-below plane β-above plane Glycosidic bonds are between two sugars They can either be in the α or β configuration and can be linked through the 1-2, 1-4 or 1-6 linkage Note loss of water from condensation reaction above. 11/13/2009 3 Sugar Polymers The Polysacchrides • Energy Storage – Starch α-amylose and amypectin Structura • Structural – Cellulose and Chitin • Glycosaminoglycans • Proteoglycans α-amylose (starch) / Cellulose (poly β-glucose) Glycosaminoglycans & Proteoglycans Bacteria Cell Walls Peptidoglycan Next Lecture Tuesday 11/03/09 Glycolysis Glycolysis I...
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This note was uploaded on 02/22/2011 for the course BCHS 3304 taught by Professor Johnson during the Spring '08 term at University of Houston.
- Spring '08