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BASIC DISCRIPTION OF MICROBIOLOGY Theyre out there You cant see them but they can see you Right at this very moment they are living on and in your body and there is nothing you can do about it This may sound like the beginning of a horror movie but it isnt It is actually a very basic description of a very broad subject microbiology Microbiology is a complex subject that spans out into a variety of areas I am a person who is entering the health care field and it is inparitive that I know the subject of microbiology and how if effects the world in which we live Part one of this essay will deal with defining bacteria viruses fungi microbes and pirons Part two of the essay will focus on indigenous micro flora that is on and in the body and part three will describe the structure and replication procedure of viruses Part one As stated by Prescott Harley and Klein 1990 microbiology is the study of organisms that are usually too small to be seen with the naked eye According to Jenson and Wright 1989 a pathogen is a disease-producing organism They also describe microbes as organisms that are often too small to be seen without the aid of a microscope Microbes also known as microorganisms can be broken down into four classifications that are bacteria viruses fungi and protozoa Prescott Harley Klein 1990 describe bacteria as prokaryotic cells cells that lack a true membrane enclosed nucleus Bacteria are both small and simple in structure they usually are between o5 and 5cmm yet they have many characteristic shapes and sizes Some bacteria are circular or oval shaped they are known as cocci bacteria Other bacteria are rod-shaped they are known as bacilli bacteria and some
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