Understanding Viruses and Their Characteristics
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Questions and Answers

What characteristic distinguishes a virus from other plant pathogens?

  • Produced symptoms
  • Size and shape
  • Methods of infection, multiplication, and translocation within the host (correct)
  • Chemical constitution and physical structure

    • Why are viruses considered obligate parasites?

  • They cause a multitude of diseases in all forms of living organisms
  • They are too small to be seen individually with a light microscope
  • They can only multiply in living cells (correct)
  • They parasitize cells

    • How do plant viruses differ from other plant pathogens?

  • Size and shape
  • Produced symptoms
  • Dissemination (correct)
  • Chemical constitution and physical structure

    • Why are viruses too small to be seen individually with a light microscope?

    <p>They are obligate parasites and parasitize cells</p> Signup and view all the answers

    In what way do viruses differ from other plant pathogens regarding chemical constitution and physical structure?

    <p>Methods of infection, multiplication, and translocation within the host</p> Signup and view all the answers

    What characteristic of viruses makes them too small to be seen individually with a light microscope?

    <p>Their nucleoprotein composition</p> Signup and view all the answers

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