By: Dr. Sam Osmanagich
The microorganism most talked about today is the virus. These tiny creatures, between the two worlds, organic and inorganic, are visible only under an electron microscope and are much smaller than bacteria. They consist of genetic material (DNA / RNA) and a protein coat. For example, a coronavirus has a crown-shaped envelope and hence its name. The virus occupies only living cells and uses their chemical machinery to reproduce, causing disease in plants, animals and humans.
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