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What is the method used for direct cell counts that involves microbial suspension forced through a small orifice?
What is the method used for direct cell counts that involves microbial suspension forced through a small orifice?
Which method is useful for counting bacteria and can distinguish living from dead cells?
Which method is useful for counting bacteria and can distinguish living from dead cells?
What is the unit of measurement for viable cells expressing the population size as colony forming units?
What is the unit of measurement for viable cells expressing the population size as colony forming units?
Which method involves microbial cells being filtered through a special membrane to observe cells against a dark background?
Which method involves microbial cells being filtered through a special membrane to observe cells against a dark background?
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What is the term used to describe the method of plating dilutions of a population on suitable solid medium to calculate the number of cells in the population?
What is the term used to describe the method of plating dilutions of a population on suitable solid medium to calculate the number of cells in the population?
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Which method is easy, inexpensive, quick, but cannot distinguish living from dead cells?
Which method is easy, inexpensive, quick, but cannot distinguish living from dead cells?
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Which of the following terms describes organisms that require high osmotic pressure for growth?
Which of the following terms describes organisms that require high osmotic pressure for growth?
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A bacterial population increases from 10^5 cells to 10^11 cells in 15 hours. What is the generation time (g) of the bacteria?
A bacterial population increases from 10^5 cells to 10^11 cells in 15 hours. What is the generation time (g) of the bacteria?
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Which phase of the bacterial growth curve is characterized by the bacterial population remaining constant?
Which phase of the bacterial growth curve is characterized by the bacterial population remaining constant?
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What is the term used to describe bacteria that can survive in harsh conditions but are unable to be cultured using standard laboratory techniques?
What is the term used to describe bacteria that can survive in harsh conditions but are unable to be cultured using standard laboratory techniques?
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Which of the following organisms is adapted to grow in low pH environments (pH 0-5.5)?
Which of the following organisms is adapted to grow in low pH environments (pH 0-5.5)?
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What is the primary benefit that biofilms provide to the microbial species within the community?
What is the primary benefit that biofilms provide to the microbial species within the community?
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What is the average time required for E. coli to replicate its DNA?
What is the average time required for E. coli to replicate its DNA?
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Which phase of the growth curve is characterized by a constant rate of growth?
Which phase of the growth curve is characterized by a constant rate of growth?
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What is the maximum cell concentration that can be reached by bacteria in a batch culture?
What is the maximum cell concentration that can be reached by bacteria in a batch culture?
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Which of the following is NOT a possible reason for entry into the stationary phase?
Which of the following is NOT a possible reason for entry into the stationary phase?
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Which protein assists RNA polymerase in transcribing genes for starvation proteins during the stationary phase?
Which protein assists RNA polymerase in transcribing genes for starvation proteins during the stationary phase?
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What is the term used to describe bacteria that are temporarily unable to grow but can resume growth when the environment becomes favorable?
What is the term used to describe bacteria that are temporarily unable to grow but can resume growth when the environment becomes favorable?
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What is the term used to describe the irreversible loss of a cell's ability to reproduce?
What is the term used to describe the irreversible loss of a cell's ability to reproduce?
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Which phase of the growth curve is characterized by a plateau in the total number of viable cells?
Which phase of the growth curve is characterized by a plateau in the total number of viable cells?
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Which of the following is NOT a characteristic of the exponential phase?
Which of the following is NOT a characteristic of the exponential phase?
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