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Unformatted text preview: Zoology 151/153 08/09/2008 12:16:00 ← Lecture 9/8 ← Stereoisomers: Have same spatial organization ←-Differ in optical activity ←-Starch consists of gluclose monomers-Glycogen – consists of glucose monomers, is the major storage form of glucose in animcals Cellulose id difficult to digest • Enqymes that digenst start by hydrolyzing a lingages are unable to hydolyze and B klinaves of cellulose because of the different shapoes of these two molecults • • Chitin found in fungi • Lipids do not consist of polymers • • Although are not polymers (fats), they are large molecules and are assembled from smaller molecults (glycerol and fatty acids) by dehydration reations • Glycerol dehydration reaction in the synethesis of a fat ← Vary in the length and number and locations of double bonds fatty acids contain ← Saturated gfatty acids have the max nimber of hydrogen atoms possible (no double bonds) ← Animal fats – saturdated ← ← Testastoran and female hormones examples ← ← Some bacteria have a class of compounds similar to serols )called hopanes) but setoil are excluseive to eukaryotes ← Some scientists believe that the rie of eukayotes depended on the evoluition of...
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This note was uploaded on 09/22/2008 for the course ZOO 151 taught by Professor Peralta during the Fall '07 term at Wisconsin.
- Fall '07