The Common Bacteria
Introduction:
Bacteria are microorganisms that grow everywhere. Most bacteria in the environment will not be harmful. Therefore culturing bacteria is very easy and a simple way to test treatments. Culturing bacteria is the main way that new treatments are tested or in this experiment to compare treatments. Once the bacteria multiply into millions of colonies in a petri dish they become more hazardous. Bacterial colonies often cope with unfavorable living conditions such as the environment in Antarctica (Walters et al. 2002). To do so they have developed sophisticated modes of cooperative behavior. Such behavior causes bacterial colonies to exhibit complex growth patterns. Bacteria move in response to gradients in nutrient concentration and communicate with each other by means of chemomatic feedback. This allows the colony to respond efficiently to a wide range of growth conditions and generate self organization which is what a colony is (Campbell and Reece 2005).
Antibiotics are......
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