Describe the main characteristics of viruses.
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Dear student,The main characteristics of viruses are:1). They are non-cellular and very simple in structure, consisting mainly of a nucleic acid surrounded by a protein envelope called capsid. 2)They are ultra-microscopic and can only be visualized under electron microscope. 3)A virus is called either ‘DNA virus’ or ‘RNA virus’ depending on whether it contains the nucleic acid DNA or RNA. 4)They have spikes, which helps them to attach to the host cell. 5)They do not respire, do not metabolize and do not grow but they do reproduce. Hope this helps! REGARDS!!