Viruses

Viruses are microorganisms whose structure is only visible with electron microscopes

• viruses are acellular - they do not have a cellular structure like bacteria and fungi and play impotant roles in gene technology
• viruses are not in the clasification system because they have none of the features traditionally used for classification. There is an argument that they should not be considered to be living organisms at all
• they have particles made of proteins and nucleic acids that are…