Plant chemical defences against pathogens

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1. What do alkaloids do?

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

2. What property DON'T phenols have?

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

3. What do defensive proteins do?

  • They inhibit the action of channel proteins
  • They break down bacterial cells
  • They bind to salivary proteins and digestive enzymes
  • Contain essential oils

4. Which of these is NOT an example of an alkaloid?

  • Cocaine
  • Caffeine
  • Nictotine
  • Tobacco

5. What properties do terpenoids have against pathogens?

  • Antibacterial and antifungal
  • They act upon molecules in the plasma membrane
  • They bind to salivary proteins and digestive enzymes
  • They act on a variety of metabolic reactions

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