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Viruses, prions and viroids
  • From Biology, General Biology
  • Due on 21 Apr, 2015 10:57:00
  • Asked On 17 Apr, 2015 09:02:23
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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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Viruses, prions and viroids 125 words
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  • Submitted On 20 Apr, 2015 03:26:29
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2. 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 - t...
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