write characteristics of viruses
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Because most viruses are extremely well adapted to their host organism, virus structure varies greatly. However, there are some general structural characteristics that all viruses share. All viruses have a capsid or head region that contains its genetic material. The capsid is made of proteins and glycoproteins.
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They are enclosed in a protective envelope.
They have spikes, which helps them to attach to the host cell.
They are non cellular.
They do not respire, do not metabolize and do not grow but they do reproduce.
They contain a protein coat called the capsid.
They have a nucleic acid core containing DNA or RNA.
They have spikes, which helps them to attach to the host cell.
They are non cellular.
They do not respire, do not metabolize and do not grow but they do reproduce.
They contain a protein coat called the capsid.
They have a nucleic acid core containing DNA or RNA.
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