A useful method of classifying viruses is based on the
1) site of infection.
2) type of nucleic acid.
3) symmetry of the protein coat.
4) presence of absence of an envelope.

Question

Quizplus · Accepted Answer

Viruses can be classified based on their type of nucleic acid (DNA or RNA), the symmetry of their protein coat (icosahedral, helical, etc.), and the presence or absence of an envelope surrounding the virus. These characteristics are fundamental to understanding virus structure and function.

A Useful Method of Classifying Viruses Is Based on the