Multiple choice

By itself,in human beings,virus is_______

  1. living

  2. dead

  3. sometimes living

  4. None of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Viruses exist at the borderline between living and non-living. By themselves, they're considered 'dead' or inactive - they need a host cell to replicate and show life-like properties.

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