Viruses, Viroids, and Prions - 89981

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  • From: Natural Sciences, Biology
  • Posted on: Wed 22 Apr, 2015
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Viruses, viroids, and prions are all acellular pathogens. They are not within any kingdom and carry their own significant characteristics. obligate intracellular parasite – require a host to cause damage filterable – small enough to be filtrated contains an outer protein coat and inner genome has only 1 kind of nucleic acid (RNA or DNA, but never both) lacks metabolic abilities Viruses can be found either inside a cell (intracellular) or outside of a cell (extracellular). If it is found extracellular, the virus is called a virion. A virion contains a protein coating called acapsid, which surrounds the core of the virus containing the nucleic acid (either DNA or RNA). Together with the capsid and the DNA or RNA core is called a nucleocapsid. Some virions also contain an envelope which is made up of a phospholipid membrane. Both the capsid and the envelope are important in protection and providing shape to the virus. How are they Classified? structure...
Solution Description

Viruses, viroids, and prions are all acellular pathogens. They are not within any kingdom and carry their own significant characteristics.
obligate intracellular para

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Viruses.docx
Viruses.docx