E. coli has a doubling time of 0.345 hours at 37 0C. Starting with 1 milligram of cells, assuming a lag phase of 30 minutes and a stationary phase of 30 minutes, what number of cells would you expect at the end of 13h, assuming that besides the lag and stationary phases the culture is continuously in exponential phase. Assume that ln (2) = 0.69 and that the mass of a single cell is 10^(-12) g. E. coli has a doubling time of 0.345 hours at 37 °C. Starting with 1 milligram of cells, assuminga lag phase of 30 minutes and a stationary phase of 30 minutes, what number of cells would youexpect at the end of 13h, assuming that besides the lag and stationary phases the culture iscontinuously in exponential phase. Assume that In (2) = 0.69 and that the mass of a single cell is10-¹2g.

Microorganisms have complex interactions with their environment and with other microorganisms, and…

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

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E. coli has a doubling time of 0.345 hours at 37 0C. Starting with 1 milligram of cells, assuming a lag phase of 30 minutes and a stationary phase of 30 minutes, what number of cells would you expect at the end of 13h, assuming that besides the lag and stationary phases the culture is continuously in exponential phase. Assume that ln (2) = 0.69 and that the mass of a single cell is 10^(-12) g.

E. coli has a doubling time of 0.345 hours at 37 °C. Starting with 1 milligram of cells, assuming
a lag phase of 30 minutes and a stationary phase of 30 minutes, what number of cells would you
expect at the end of 13h, assuming that besides the lag and stationary phases the culture is
continuously in exponential phase. Assume that In (2) = 0.69 and that the mass of a single cell is
10-¹2g.

Definition Definition Phase during which the number of bacteria cell deaths gradually equals the number of viable or actively dividing cells due to decreased reproduction rate. Microbes utilize all nutrients present in the growth medium to multiply during the growth of the bacterial population, which results in the deposition of waste matter, toxins, and inhibitory compounds in the media. This changes media conditions, such as temperature and pH, creating an unfavorable environment for bacterial growth. Here, the growth rate becomes stabilized.

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