definition:- In simple word viruses may be define as"the
infectious agents
made up of DNA (Deoxyribonuclic acid) or RNA (Ribonuclic acid)
enclosed with protein coat."
Find in above image:-"You can see in the above image, you are
seeing the virus and the protein coat (envelop) of the virus or what you
are seeing is the thorny structure that is used to make it appear like spikes."
