Chapter 18

what are the three shapes of viruses?
- Enveloped
- Helical
- Polyhedral
what determines the type of host a virus invades?

the viral structure and shape
what is a viroid made of?

a single-stranded RNA
what does a viroid cause disease in?

plants
how is a viroid transferred?

through seeds or pollen
what is a prion made of?

proteins
what does a prion result in?

disease of the brain

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samkaymad

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Chapter 18

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Updated

2011-03-11T02:36:03Z

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