Which element?

Carbon and Macromolecules

Organic Molecules created and maintained by cells

CARBON the Atom

Versatile Element• 4 electrons = 4 bonds• Covalent bonds• Energy stored in each bond• Single, double and triple bonds

Bonds

Extremes

GRAPHENE SHEETS

DIAMONDS

Compounds: Gas, liquid or solid

FOSSIL FUELS

Carbon Molecule shapes:• Lines fuels, fats• Branching Chains starches• Sheets pencil “lead”• Crystals diamonds• Rings odors• Chairs/boats sugars• Balls• Tubes

Nanotechnology

BuckytubeAtomic wires

Buckyball orBuckminsterfullerene

STOP http://screen.yahoo.com/the-colbert-report/jack-andraka-040000753.html

MACROMOLECULES

What is food?Why do we eat?

Carbohydrates • Energy and structure

Polysaccharides• Saccharides –glucose, galactose, fructose

• C, H, O• C6H1206 1C:2H:10

Proteins• Structure and Work

Polypeptides• Amino acids• C, H, O, N

Lipids• Energy Storage, Insulation,

Hormones, Waterproofing

Lipids• Fatty acids + glycerol• C, H, O (no constant ratio)

Genetic Material• Cell Instructions, Reproduction

& History of Species

Nucleic Acids• Nucleotides• C, H, O, P