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Molecules of Cells
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Life is Based on Carbon Outer shell half full (4 e - ) Organic Compounds = Contain C (and H)
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Hydrocarbons Compounds of only C and H Carbon skeleton (structural formula) –Straight Ethane C CH HH H HH
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Hydrocarbons Compounds of only C and H Carbon skeleton (structural formula) –Straight –Branched Isobutane CC H H CH H H H C H HH H
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Hydrocarbons Compounds of only C and H Carbon skeleton (structural formula) –Straight –Branched –Double bonds CC H CH H H H C H H H CC H CH H H H C H H H 1-butane2-butane
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Hydrocarbons Compounds of only C and H Carbon skeleton (structural formula) –Straight –Branched –Double bonds –Rings C C H C HH H C HH benzene CC
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Functional Groups Hydroxyl group (-O-H) –Alcohols C CH HH H OHH ethyl alcohol
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Functional Groups Hydroxyl group (-OH) Carbonyl group (CO-) –Aldehyde C C H HH H HH propanol C O
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Functional Groups Hydroxyl group (-OH) Carbonyl group (CO-) –Aldehyde –Keytone C C HH H OH acetone C H H
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Functional Groups Hydroxyl group (-OH) Carbonyl group (CO-) Carboxyl group (-COOH) C OH O
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Functional Groups Hydroxyl group (-OH) Carbonyl group (CO-) Carboxyl group (-COOH) Amino group (-NH 2 ) N H H
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Macromolecules Polymers (Gr. many parts) Monomers (single parts) Hierarchical organization –Structure = function –Uniqueness of organsims
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Dehydration Synthesis Linking molecules by removing H 2 O HOH H + H 2 OH
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Hydrolysis Adding H 2 O to break bonds between molecules HOH H + H 2 OH
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Carbohydrates Monosaccharides –Single carbohydrate units –Formula = (X)CH 2 O Glucose = C 6 H 12 O 6 –Hydroxal group - OH –Carbonyl group –COH –Combine to form polysaccharides Straight chain
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Glucose Straight chain
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Disaccharides
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Polysaccharides
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Cellulose Most abundant organic polymer on earth. Glucose polymer Undigestable by most animals –Hooked together differently –Symbiotic relationship
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Lipids Energy storage Molecule Mainly C & H atoms –Nonpolar –Hydrphobic Fatty acid molecules –General formula = (CH 2 )n –Carbon chain attached to carboxyl group
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Fatty Acids
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Triglycerides
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Other Types – Phospholipids
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Steroids
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Cholesterol
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Waxes Have only 1 fatty acid More hydrophobic (Structure-function) Nature’s waterprofer
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Proteins Structural building blocks of life 7 Classes –Structural –Contractile –Storage –Defense –Transport –Signaling –Enzymes
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Building Blocks of Proteins
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Amino Acid Structure
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Peptide Bonds & Protein Structure
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Secondary Protein Structure
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Tertiary Protein Structure
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Quarternary Protein Structure
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Protein Denaturation
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Nucleic Acids
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Polynucleotides
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Ribose and Deoxyribose
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