Part 1 of Essay
They’re out there! You can’t 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 isn’t. It is actually a very basic description of a very broad subject: microbiology. Microbiol ....

Part 2 of Essay
.... (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 o.5 and ....