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Unformatted text preview: graph, when the optical density is 0.2 (2 x 0.1), the corresponding time is 48 minutes. Therefore the doubling time for the culture in temperature 22 C is approximately 36 minutes. The growth rate is the reciprocal of the doubling time. 36 minutes is 0.6 (3/5) of an hour and the reciprocal is 5/3, which is approximately 1.67gen/hr. 2). The optimal temperature, according to the table is somewhere around 37C. 3). My hypothesis: the optimal temperature for E. coli growth would be around 37C, because E. coli were found in the humans, and the average temperature of the human body was around 37C and. The least growth would be observed around 50C. Based on the data collected in class, the optimal temperature for E. coli growth is 37C, and the least growth would be observed around 50C. Thus, the data supported the hypothesis....
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This note was uploaded on 10/24/2010 for the course BIOMI 2911 at Cornell University (Engineering School).