Viruses prions and viroids

Question Details: #1770
Viruses prions and viroids

In at least 125 words

Viruses, prions and viroids are non-living organisms that require a living cellular host in order to reproduce. They cannot do it on their own. These parasites may be just a string of RNA, as in a viroid, or a length of DNA enclosed in a protein shell, as in a virus.

Is it possible that these parasites may be links to the earliest days of the beginning of life on this planet? Using the information you have learned about biogenesis and explain why you think this may be true or is false.

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  • Posted by: Mike
  • Subjects: Biology Physical Anthropology

Solution Details: #1765
Viruses prions and viroids 125 words

These parasites are very primitive in nature - they consist of proteins and cannot survive without a host. In the very first cell (assuming that there was a “first” cell) what came first - the...
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Viruses Viroids and Prions

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 fi...
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Viruses Viroids and Prions

Viruses, viroids, and prions are all acellular pathogens. They ...
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