Biological Molecules

Biological Molecules - B iological Molecules Ch 3 9-4-09...

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Biological Molecules Ch 3 9-4-09 Why is Carbon so Important in Biological Molecules? Versatility o Forms 4 covalent bonds o Organic molecules = molecules w/ C & H are mostly produced by living things Functional Groups (Table 3-1) How are Organic Molecules Synthesized? Organic molecules in all living things share 2 similarities o Use the same functional groups o Formed by the modular approach Stick subunits together like cars in a train Dehydration/Hydrolysis What are Carbohydrates? Composition o o (CH 2 O)n o Ex. Glucose C 6 H 12 O 6 Function o Energy and structure Monosaccharide
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o 1 sugar o Immediate energy Disaccharide o 2 sugars o Short term energy storage, transport Polysaccharide o Many sugars o Long term energy storage o Structural o Cellulose o Chitin Makes up cell walls of fungi and arthropod exoskeletons Polymer w/ glucose subunits and N-containing functional groups What are Lipids? Lipids include
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Biological Molecules - B iological Molecules Ch 3 9-4-09...

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