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9.9.05 - September 9 2005 Macromolecules Some...

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September 9, 2005 – Macromolecules Some macromolecules are polymers e.g. Glucoese Joined together by dehydration synthesis . (loss of a water) Broken Apart by hydrolysis . (Covalent bond breaks and ddh joines to one polymer and OH joins to the other monomer. Hydrolysis GIVES UP energy. (enzyme required). Biological Polymers Energy & Structure – Carbs & Lipids, smilar even for different species Information – Proteins & Nucleic Acids Carbohydrate Monomers Made of carbon, hydrogen, and oxygen. All are in the form of: (CH 2 O) n (n>/ 3) 3C = Triose, 5C = Pentose Triose Sugars Aldehyde: Ketone: H O C \ // | C C == O | | C All have a carbonyl (C=O) group. Placement of it determines whether it is an aldhyde or ketone. Isomers Optical Isomers: Mirror Images In tetrahedrons, in order for the isomer to be the same, only three or less groups can be different. Asymmetric Carbon – When four groups are connected to a central carbon.
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