Lab Report 1 (BIO 280) Ubiquity of Microorganisms

Lab Report 1 (BIO 280) Ubiquity of Microorganisms - Biology...

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Biology 280L Professor Erika Gehr September 11, 2007 Lab 1: Ubiquity of Microorganisms Purpose Microorganisms play a huge role in the cycle of life. According to Foundations in Microbiology, Sixth Edition, microbes are located all over Earth, including the oceans, the land, and in bodies (Talaro, 2008). People tend to underestimate the spread of microorganisms on the planet. Even though microorganisms are extremely small in size, they are found in large groups in locations where many other life forms could not live (Talaro, 2008). Factors that affect microbial growth include temperature, moisture, light, salinity, pH, and pressure. The purpose of the ubiquity experiment is to truly understand the diversity of microorganisms around us and to see how ubiquitous they are. This laboratory experiment allows humans to see that in any place one looks or feels, a microbe will most likely be found. Two samples are taken from the environment and from the body, including the skin on the upper arm that is covered and uncovered and the mouthpiece and earpiece of a cell phone. One trypticase soy agar plate was designated for samples from the body and the other plate was designated for samples from the environment. In each plate, three sections were divided to place the samples for testing of growth and
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This lab report was uploaded on 04/08/2008 for the course BIO 280 taught by Professor Erikagehr during the Fall '07 term at James Madison University.

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Lab Report 1 (BIO 280) Ubiquity of Microorganisms - Biology...

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