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Unformatted text preview: microorganism can effect the growth of another. As stated in the lab manual, the observed interactions are examples of commensalisms whereas the antibiotic sensitivity (if the antibiotic was produced directly by another organism near the test organism instead of on disks) would be considered antagonism. Ultimately these growth inhibitors or promoters can be valuable to select one organism out of many (selection). The MacConkey Agar plates adequately demonstrated selection and differentiation as I explained on page III-18....
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This note was uploaded on 02/22/2012 for the course BIO 126L taught by Professor Saxena during the Fall '08 term at University of Texas at Austin.
- Fall '08