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Viruses are not considered to be 'living organisms' because they lack metabolic machinery and cannot reproduce without a host cell. When outside the host cell, they exist in a form known as a virion, which is comprised of DNA or RNA enclosed in a protein capsid, or in some cases enveloped in a matrix of lipids derived from the host cell's membrane. A virus is classified according to its genetic material as either DNA or RNA viruses, with RNA viruses forming the vast majority. The coronavirus, SARS-CoV-2, that causes Covid-19 is an example of an RNA virus. How is the replication of the RNA genome of a virus the same or different from the replication of the DNA genome of a eukaryotic host cell?

          Viruses are not considered to be 'living organisms' because they lack metabolic machinery and cannot reproduce without a host cell. When outside the host cell, they exist in a form known as a virion, which is comprised of DNA or RNA enclosed in a protein capsid, or in some cases enveloped in a matrix of lipids derived from the host cell's membrane.
A virus is classified according to its genetic material as either DNA or RNA viruses, with RNA viruses forming the vast majority. The coronavirus, SARS-CoV-2, that causes Covid-19 is an example of an RNA virus.
How is the replication of the RNA genome of a virus the same or different from the replication of the DNA genome of a eukaryotic host cell?

Added by Lisa S.

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