Viruses, explained - Deepstash

Viruses are not alive by most definitions. They are generally smaller than most bacteria, about a tenth of the size of a human blood cell. 

The structure of a virus is very simple: Each ...

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Viruses, explained

nationalgeographic.com

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Viruses cannot move or reproduce without the help of a host cell. When a virus finds a host, it can increase and spread quickly.

To find a host, viruses have receptors on their surfaces that...

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  • Inside their cellular host, a virus can create a huge number of copies and spread the infection to other cells.
  • Viruses may spread from person to person through the mist of droplets ...

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