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Macromolecules
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Macromolecules

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Transcript

  • 1. Molecules of life
    • 4 main molecules of life
      • Carbohydrates
      • Proteins
      • Lipids
      • Nucleic acids
  • 2. Organic Compounds Building Blocks monomer Macromolecule polymer monosaccharide or simple sugar Polysaccharides or carbohydrate Fatty acids Fats and Lipids Amino Acids Proteins Nucleotides Nucleic Acids
  • 3. carbohydrates
    • Most abundant organic compound
    • Contains oxygen, hydrogen & carbon
      • 1:2:1 ratio
    • Some functions
      • Energy source
        • Both quick and storage
      • Support & structure
        • Plants- cellulose
        • Insects-chitin- exoskeleton
  • 4. 3 basic types of carbohydrates
    • Monosaccharides
      • Simple sugars
        • 5 or 6 carbons
        • Examples- glucose & fructose
    • Disaccharides
      • Two sugars joined together
        • Fructose + glucose= sucrose (table sugar)
    • Polysaccharides
      • Many simple sugars joined together
        • Starch- energy storage plants
        • Glycogen- energy storage animals
        • Cellulose- structural support plants
  • 5. Proteins
    • Made of
      • Carbon
      • Hydrogen
      • Oxygen
      • Nitrogen
      • (2 amino acids contain sulfur)
    • Formed by chains of amino acids
      • 20 different amino acids
    • Organic Compound
    • Essential to all life
    • Important uses
      • Structure
      • enzymes
  • 6. Lipids
    • Large molecules
    • Nonpolar organic molecules
    • Functions
      • Good insulators
      • energy storage (tightly compact)
      • Oils and waxes
      • Steroids and hormones
  • 7.  
  • 8. Lipids
    • Fatty acids
      • Unbranched carbon chains
      • hydrophilic end & hydrophobic end
        • Hydrophilic
          • Polar
          • Water loving
        • Hydrophobic
          • Non polar
          • Water fearing
  • 9. Nucleic Acids
    • Complex macromolecule that stores information in cells heredity
    • Nucleic acids are polymers made of smaller subunits called nucleotides
      • carbon, hydrogen, oxygen, nitrogen and phosphorous
    • Two types
      • RNA and DNA
  • 10. Nucleotides consist of
    • Phosphate groups
    • Pentose sugar
    • Nitrogenous bases
  • 11.