Question

what is viruses?explain their structure. why are they said ​

Answer 1

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A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. They come in different shapes and structures, have different kinds of genomes, and infect different hosts. Viruses reproduce by infecting their host cells and reprogramming them to become virus-making "factories."

Answer 2

A virus is made up of a DNA or RNA genome inside a protein shell called a capsid. They come in different shapes and structures, have different kinds of genomes, and infect different hosts. Viruses reproduce by infecting their host cells and reprogramming them to become virus-making "factories."