Keyword Analysis & Research: are viruses alive lesson


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Frequently Asked Questions

Is a virus a living thing?

Most biologists say no. Viruses are not made out of cells, they can’t keep themselves in a stable state, they don’t grow, and they can’t make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.

Are viruses older than cells?

Viruses ARE Alive, And They’re Older Than Modern Cells, New Study Suggests. "Viruses originated from multiple ancient cells ... and co-existed with the ancestors of modern cells," the researchers write in Science Advances. Of course, this doesn't mean that viruses suddenly fit neatly into our definition of life.

Are viruses alive or inert?

They are, in essence, inert unless they come into contact with a living cell," Adalja said. "There are some characteristics of viruses that put them on the borderline [of being alive] — they have genetic material: DNA or RNA.

Are viruses dead?

While a virion is biologically inert and may be considered ‘dead’ in the same way that a bacterial spore or a seed is, once delivered to the appropriate environment, I believe that viruses are very much alive.


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