Plant chemical defences against pathogens

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1. What do alkaloids do?

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

2. Which of these is NOT an example of a hydrolytic enzyme?

  • Lysozymes
  • Chitinases
  • Lysosomes
  • Glucanases

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

  • hydrolytic enzymes
  • Terpenoids
  • Alkaloids
  • Phenols

4. What properties do terpenoids have against pathogens?

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

5. What are defensive proteins?

  • A range of essential oils
  • Nitrogen-containing compounds
  • Small cysteine rich proteins
  • Tannins found in bark

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