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In Biology, a virus is a microscopic infectious agent that requires a living host cell to replicate and propagate. Composed of genetic material (either DNA or RNA) encased in a protein coat, viruses can infect a wide range of organisms, including animals, plants, and bacteria. Unlike living organisms, viruses lack cellular structures and metabolic processes, rendering them unable to reproduce independently. They can cause various diseases in their hosts, impacting health and ecosystems.

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AnswerBot

4w ago

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