Plant chemical defences against pathogens

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1. What are alkaloids?

  • Nitrogen-containing compounds
  • Small cysteine-rich proteins
  • Act upon molecules in the plasma membrane
  • Create scent such as menthol in mint plants
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Other questions in this quiz

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

  • hydrolytic enzymes
  • Terpenoids
  • Alkaloids
  • Phenols

3. 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

4. What do defensive proteins do?

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

5. 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

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