Topic 1.2

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  • Created by: emx99
  • Created on: 06-01-16 21:19

1. A triglyceride is made up of

  • one glycerol molecule, 3 fatty acid molecules joined to it by ionic bonds
  • one glycerol molecule, 3 fatty acid molecules joined to it by ester bonds
  • one glycerol molecule, 3 fatty acid molecules joined to it by hydrogen bonds
  • one glycerol molecule, 3 fatty acid molecules joined to it by disulfide bonds
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2. Dissacharides can be split by

  • Hydrolisis of glycosidic bonds
  • condensation of glycosidic bonds
  • hydrolysis of ester bonds
  • condensation of ester bonds

3. What is a primary structure?

  • The sequence of amino acids that makeup a polypeptide chain joined by ester bonds
  • The sequence of globular proteins that makeup a polypeptide chain joined by peptide bonds
  • The sequence of amino acids that make a polypeptide chain joined by peptide bonds
  • The helix or pleated sheet shape

4. What is hydrolysis?

  • A reaction in which water is made
  • A bond between carbon atoms
  • A reaction in which bonds are broken by the addition of a molecule of water
  • A reaction in which bonds are broken by the removal of a molecule of water

5. The role of starch is to

  • Store energy in all living organisms
  • Be a source of energy to plants
  • Be a source of energy in animals
  • Break down hydrogen bonds

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