Why viruses are unable to reproduce on their own

Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own. ... A primary reason is that viruses do not possess a cell membrane or metabolise on their own - characteristics of all living organisms. Viruses are non living and cannot reproduce on their own. Viruses lack most of the characteristics of living things. The aerage virus is large when compared with cells. Viruses can cause or help to prevent and treat disease.

A virus cannot reproduce on its own as it must infect another cell to spread. They technically are not living things like bacteria as viruses posses few characteristics of a living thing.

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.