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Questions and Answers
What characteristic distinguishes a virus from other plant pathogens?
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?
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?
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?
Why are viruses too small to be seen individually with a light microscope?
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In what way do viruses differ from other plant pathogens regarding chemical constitution and physical structure?
In what way do viruses differ from other plant pathogens regarding chemical constitution and physical structure?
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What characteristic of viruses makes them too small to be seen individually with a light microscope?
What characteristic of viruses makes them too small to be seen individually with a light microscope?
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