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The Study of Carbon Compounds
ORGANIC CHEMISTRY The Study of Carbon Compounds
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Carbon Hydrogen Nitrogen Oxygen Phosphorus Sulfur
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Carbon! Most chemicals that make up living things are Carbon-based.
Why? Easily forms molecules that are large, complex, and diverse. Up to 30% of a cell is made up of Carbon-based compounds.
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Why is Carbon important to life?
Carbon is light weight and small Carbon atoms have 4 valence electrons. Can bond with other elements and itself to form unlimited (in length) chains that can even fold to form rings
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Macromolecules The Molecules of Life!
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Macromolecules are… Large polymers (poly=many)
Built by monomers (mono = one) 4 main classes (examples of carbon based groups) Carbohydrates Proteins Lipids Nucleic Acids
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Fuel and Building Material for Life!
Carbohydrates Fuel and Building Material for Life!
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Carbohydrates are… Monomer = 1 C: 2 H: 1 O Monosaccharides (simple sugars) Most abundant carbon compounds found in living things Sugars Monosaccharides- simple sugars Glucose Disaccharides- sugars built of 2 monosaccharides Sucrose+Fructose C6H12O6
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Carbos cont… Starch = Polysaccharides: act as nutrient storage-and form structural components of living things Glycogen- stores glucose in muscle tissue for quick energy Cellulose- provides rigid structure Cell wall of plant cells
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CELL WALL
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LIPIDS Fats: gylcerol and fatty acids Saturated Unsaturated
Monomer: - Glycerol and fatty acids Fats: gylcerol and fatty acids Saturated Solidifies- bad Ex: animal fat and butter Unsaturated No solidification- good Ex: vegetable oils Fats are used for energy storage Long-term food reserves stored in adipose (fat)cells
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Lipids cont… Fat (adipose) provides insulation for warmth
Whales, seals Fat provides cushion for organs I’m Fat!
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Fat Cells (adipose)
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Lipids cont… Phospholipids Make up cell membranes
The bilayer forms a boundary between the cell and the external environment.
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Phospholipid Bilayer
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Proteins The Ultimate Polymer!
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Proteins… Monomer or building blocks of proteins: Amino acids
20 different amino acids Amino group: -NH2 Carboxyl group: -COOH
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Amino Acid Codon Chart
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Protein Structure 2 or more amino acids joined by peptide bond
Hence the other name for a protein: polypeptide chain
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Structure=Function Protein’s specific structure (shape) determines it’s duties (job)
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Four levels of organizations
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Types of Proteins Structural Defensive Storage Enzymes
Support Antibodies Storage Enzymes Embryo food catalysts Transport Hormones In and out of cell messages Receptors Contractile Drugs muscles
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Examples of proteins Protein channels in cell membrane
Keratin: in fingernails and hair Muscle fibers
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Informational Polymers
Nucleic Acids Informational Polymers
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Nucleic Acids 2 types Nucleic acids work together to
DNA-double-stranded Genetic material Inherited from parents RNA-single-stranded Controls protein synthesis Nucleic acids work together to Build proteins Monomer: Nucleotides pentose sugar phospate nitrogen base
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