Chapter_3_-_Molecules_of_Cells

Chapter_3_-_Molecules_of_Cells - Molecules of Cells Chapter...

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Molecules of Cells Chapter 3
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Organic Compounds Molecules with a “backbone” of carbon Carbohydrates Lipids Proteins Nucleic Acids
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Life's molecular diversity is based on the properties of carbon
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Bonding Arrangements Carbon backbone can form long chains or rings
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Functional Groups Molecules attached to carbon backbone
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LE 3-2 Estrogen Female lion Male lion Testosterone
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Cells Make Large Molecules From a Set of Small Molecules Monomers Polymers
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Dehydration Reactions
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Dehydration Reactions Short polymer Unlinked monomer Dehydration reaction Longer polymer
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Hydrolysis Reactions
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Hydrolysis Reactions Hydrolysis
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Carbohydrates Composed of C:H:O in ratio 1:2:1
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Monosaccharides Simplest carbohydrates
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Disaccharides Two monosaccharides = disaccharide Ex: Sucrose (table sugar) Lactose (milk sugar) + H 2 O glucose fructose sucrose
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Disaccharides
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Polysaccharides Used for long-term energy storage Some provide structure
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Starch granules in potato tuber cells
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Chapter_3_-_Molecules_of_Cells - Molecules of Cells Chapter...

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