Plant chemical defences against pathogens

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1. What properties do terpenoids have against pathogens?

  • Antibacterial and antifungal
  • They bind to salivary proteins and digestive enzymes
  • They act on a variety of metabolic reactions
  • They act upon molecules in the plasma membrane
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2. Where are hydrolytic enzymes found?

  • In the spaces between cells
  • In the nucleus
  • In the plasma membrane
  • In the cellulose cell wall

3. What is the chemical in plants that creates scent?

  • hydrolytic enzymes
  • Phenols
  • Terpenoids
  • Alkaloids

4. What property DON'T phenols have?

  • They're nitrogen-containing compounds
  • They contain tannins found in bark
  • They're anitbacterial and antifungal
  • They bind to salivary proteins and digestive enzymes

5. What do alkaloids do?

  • They bind to salivary proteins and digestive enzymes
  • They affect molecules in the plasma membrane
  • They inhibit or activate enzyme action
  • Contain essential oils

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