1 nature of the acid present in the virion. 2 symmetry of the protein shell. 3 presence or absence of a lipid membrane. 4 diamentions of the virion and capsid.
Viruses are classified based on traits such as their nucleic acid type (DNA or RNA), capsid structure, presence of an envelope, host range, and replication mode. Understanding these traits helps in identifying and studying different viruses. Examples include influenza virus (enveloped RNA) and poliovirus (naked RNA).
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