The structure of viruses :: Viruses and bacteria


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11.09.2013
Resistance of bacteria to environmental factors

    

On the life of the bacteria affect the temperature, humidity, ultraviolet radiation. For low temperatures the bacteria stable, even if some survive -190.5, -253.5 and disputes in the.
For low temperatures the bacteria stable, even if some survive -190.5, -253.5 and disputes in the.

 

 

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The structure of viruses

    Viruses are constructed very simply. They consist of fragments of genetic material, either DNA or RNA, the core component of virus, and environmental protection that the core protein shell, called the capsid. The fully formed infectious particle called a virion. Some viruses such as herpes viruses or flu, there are also additional lipoprotein envelope, which arises from the plasma membrane of the host cell. Unlike all other organisms Viruses are not cellular.

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28.11.2014