Give a brief account of viruses with respect to their structure and nature of genetic material. Also name four common viral diseases.
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Give a brief account of viruses with respect to their structure and nature of genetic material. Also name four common viral diseases.
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Viruses are nucleoproteins. The genetic material is
protected within a protein coat, called capsid. The capsid
consists of a number of subunits called capsomeres. The
capsids are arranged in helical, polyhedral or geometric
form.
The genetic material, i.e., DNA or RNA may be
single-stranded or double-stranded.
The four common viral diseases are poliomyelitis,
rinderpest, dengue, potato mosaic.