Topic 1.2

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

1. What is a saturated fatty acid?

  • One where each carbon atom is joined to the next one in the chain by a single covalent bond
  • One where each hydrogen atom is joined to the next one in the chain by a single covalent bond
  • One where each carbon atom is joined to the next one in the chain by a double covalent bond
  • One where each carbon atom is joined to the next one in the chain by a triple ionic bond
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2. The role of starch is to

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

3. What is hydrolysis?

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

4. 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

5. 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 disulfide 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

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