Viruses and Bacteria…

Posted On Jul 26 2009 by

What exactly is a virus? How does it differ from bacteria? Bacteria and viruses can cause many diseases, but the distinction between the two forms of microbes is often vague and confused. One of the main differences is the size. Compared bacteria, viruses are normally much smaller in size. The largest viruses are about the same size as the smallest bacteria. One other striking difference is in the structure of the two types of microbes. Bacteria are complex structures, compared with viruses. The structure of a single bacterium consists of a rigid cell, and a thin flexible membrane, which surrounds …