Keyword Analysis & Research: are viruses alive sat


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Is a virus alive?

"There are some characteristics of viruses that put them on the borderline [of being alive] - they have genetic material: DNA or RNA. It's not the same thing as a rock, but it's clearly not the same thing as even bacteria, in terms of that self-sustaining and self-generated action."

Are viruses nonliving parasites of living systems?

One might then conclude that even though these processes come under viral direction, viruses are simply nonliving parasites of living metabolic systems. But a spectrum may exist between what is certainly alive and what is not. A rock is not alive.

What is something that is not alive?

Something that is not alive, such as a virus, does not have self-generated or self-sustaining actions, he said. "I don't think viruses qualify as being alive.

Do viruses have cells?

In general, scientists use a list of criteria to determine if something is alive. Let’s look at some traits of living things and see if viruses also have those traits. Living things have cells. Viruses do not have cells.


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