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Macromolecules
Macromolecules
Macromolecules
Macromolecules
Macromolecules
Macromolecules
Macromolecules
Macromolecules
Macromolecules
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Macromolecules

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Transcript

  • 1. Macromolecules 
    Unit 1
    Chapter 1
    4
  • 2. 4 macromolecules we’re learning about:carbohydrates (CHOs), lipids, proteins & nucleic acids (DNA & RNA)
    All of these are made from repeating subunits
  • 3. Anabolism vs. Catabolism
    All subunits of macromolecules are assembled by dehydration synthesis or condensation reactions. Since molecules are being assembled, this reaction type is anabolic
    Catabolic reactions are those that break larger molecules into smaller ones. E.g.. Hydrolysis
    Side note!
    Isomers: molecules with the same chemical formula but with a different arrangement of atoms. E.g. glucose & galactose
  • 4. Carbohydrates (CHOs)
    Ratio C:H:O 1:2:1 , usually shaped in a ring (or rings)
    Monosaccharides (simple sugars)- a single ring. Egs. Glucose (blood sugar), fructose (in fruits, veggis and honey)
    Polysaccharides (complex sugars)- more than one monosaccharides attached together. Egs. Glycogen (storage form of glucose in muscles and liver), starch (storage form in plants), chitin (structure in anthropods), cellulose (structure in plants), sucrose (table sugar- made of glucose and fructose)
  • 5. Lipids
    Made of C, H and O but not with the ratio 1:2:1, not soluble in water, not rings. Egs. triglycerides, phospholipids, cholesterol
    Saturated- singles bonds, saturated with Hs, (no room for more Hs), solid at room temp., found mostly in animals, bad for health
    Unsaturated- double bonds, spaces, liquid at room temp., from plants
    Triglycerides (fats) are made of
    glycerol and 3 fatty acids
  • 6. Protein
    made of amino acids- 20
    different ones. 8 are not coded for by
    DNA and are therefore essential
    Includes keratin (hair & nails), collogen (bones, skin), hemoglobin (blood transport), fibrin (for blood clotting), immunoglobulins (antibodies- fight infections), enzymes (catalysts for chemical reactions) & more!
    Shape determines the function (continue next page)
  • 7. Protein Structures
  • 8. YAY that`s the end of the notetesting time!
  • 9. Polysaccharide
    Monosaccharide
    Lipid
    Glycerol
    Saturated
    Unsaturated
    Polar
    Ether
    Disaccharide
    CHO
    Amino acid
    Carboxyl

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