Biochem

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Author:
meeeemi
ID:
248911
Filename:
Biochem
Updated:
2013-11-24 22:06:45
Tags:
bio
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Description:
unit test 11/24/13 cerny bio
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  1. Describe each of the following bonds 
    -covalent
    -ionic
    -hydrogen
    • Covalent - sharing of electrons
    • Ionic - transfer of electrons
    • Hydrogen - attraction between molecules
  2. The valence shell wants to have ___ electrons
    8
  3. Organic molecules must contain
    Carbon & hydrogen
  4. Ratio of hydrogen to oxygen in organic molecules are
    • 2:1 
    • two to one
  5. The 4 major organic molecules are..
    • Carbohydrates 
    • Protiens
    • Lipids
    • Nucleic Acids
  6. Monosaccharides are...
    Disaccharides are..
    Polysaccharides are..
    • -simple sugars
    • -double sugars
    • -many sugars
  7. Proteins are made up of amino acids.  What are:
    dipeptides
    polypeptide
    • dipeptide - 2 amino acids joined
    • polypeptide - more than 2 amino acids joined
  8. Lipids are...
    fats, fatty acids, waxes
  9. Nucleotides are the building blocks of..
    Nucleic acids
  10. Define dehydration synthesis and hydrolysis
    • dehydration synthesis - forming a bond while losing a water molecule
    • hydrolysis - breaking bonds with the addition of water
  11. Enzymes are..
    proteins, and named after the substrate they work on. theyre function is determined by their shape and size
  12. Factors that influence enzymes are..
    temperature, enzymes and subrate concentration, and pH

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