Download - Which element?
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Which element?
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Carbon and Macromolecules
Organic Molecules created and maintained by cells
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CARBON the Atom
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Versatile Element• 4 electrons = 4 bonds• Covalent bonds• Energy stored in each bond• Single, double and triple bonds
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Bonds
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Extremes
GRAPHENE SHEETS
DIAMONDS
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Compounds: Gas, liquid or solid
FOSSIL FUELS
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Carbon Molecule shapes:• Lines fuels, fats• Branching Chains starches• Sheets pencil “lead”• Crystals diamonds• Rings odors• Chairs/boats sugars• Balls• Tubes
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Nanotechnology
BuckytubeAtomic wires
Buckyball orBuckminsterfullerene
STOP http://screen.yahoo.com/the-colbert-report/jack-andraka-040000753.html
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MACROMOLECULES
What is food?Why do we eat?
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Carbohydrates • Energy and structure
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Polysaccharides• Saccharides –glucose, galactose, fructose
• C, H, O• C6H1206 1C:2H:10
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Proteins• Structure and Work
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Polypeptides• Amino acids• C, H, O, N
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Lipids• Energy Storage, Insulation,
Hormones, Waterproofing
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Lipids• Fatty acids + glycerol• C, H, O (no constant ratio)
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Genetic Material• Cell Instructions, Reproduction
& History of Species
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Nucleic Acids• Nucleotides• C, H, O, P