Practice%20for%20Quiz%202[1].docx - PracticeforQuiz2 1....

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Practice for Quiz 2 1.  Serial dilutions can be used to estimate the total number of bacterial cells in a solution,  including living and dead cells.  True     False   2. Microorganisms are most nearly uniform in terms of chemical and physiological properties  during _ exponential__ phase.    3. At 4:00 p.m. a closed flask of sterile broth is inoculated with 10,000 cells. The lag phase lasts  1 hour. At 9:00 p.m. the culture enters stationary phase with a population of 65 million cells. At  what time is the population half maximal?   8:40 p.m. 4. At 4:00 p.m. a closed flask of sterile broth is inoculated with 10,000 cells. The lag phase lasts  1 hour. At 9:00 p.m. the log phase culture has population of 65 million cells. The approximate  number of generations that has occurred is ____ 13___________________   5. At 4:00 p.m. a closed flask of sterile broth is inoculated with 10,000 cells. The lag phase lasts 
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  • Spring '11
  • Bacteria, 1 Hour, 20 minutes, TCA, sterile broth, log phase culture

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