Microbiology is the study of microorganisms (microscopic organisms) that exist as single cells or cell clusters (i.e., bacteria, archaea, algae, fungi, protozoa, and viruses). The science of biology deals with the structure, function, and classification of such organisms and with investigation yet as dominant their activities. one in each of the benefits of the science of biology is that it provides easy tools for learning basic life processes since several cellular activities area unit shared by microorganism cells and a lot of evolved (multicellular) organisms. In fact, abundant of our current understanding of organic chemistry and genetic processes in cells is predicated on studies applied to microorganisms. Microorganisms perpetually surround the North American nation and have an effect on our lives every day. On the one hand, a number of the human, animal, and plant diseases area unit caused by microorganisms. On the opposite hand, microorganisms contribute to various geobiological processes on earth and area unit habitually employed in numerous industrial applications (e.g., the food business, bioremediation, and biotechnology).