Question

What are viruses?Zoology describe different types of viruses?

Answer 1

A virus is a small infectious agent that replicates only inside the living cells ofother organisms. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea

Answer 2

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A virus is a small parasite that cannot reproduce by itself. Once it infects a susceptible cell, however, a virus can direct the cell machinery to produce more viruses. Most viruses have either RNA or DNA as their genetic material. The nucleic acid may be single- or double-stranded.