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Questions and Answers
Which type of medium encourages the growth of some organisms but suppresses the growth of others?
Which type of medium encourages the growth of some organisms but suppresses the growth of others?
During which phase of population growth do organisms increase in size and synthesize enzymes?
During which phase of population growth do organisms increase in size and synthesize enzymes?
What type of medium has a constituent that causes an observable change in the medium when a particular biochemical reaction occurs?
What type of medium has a constituent that causes an observable change in the medium when a particular biochemical reaction occurs?
During which phase of population growth does population growth occur at an exponential rate?
During which phase of population growth does population growth occur at an exponential rate?
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Which two characteristics describe SPS and MacConkey agar?
Which two characteristics describe SPS and MacConkey agar?
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During which phase of population growth does cell division decrease to the point that new cells are produced at the same rate as old cells die?
During which phase of population growth does cell division decrease to the point that new cells are produced at the same rate as old cells die?
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Which substance is fermented by organisms in the human intestines, whereas most pathogens do not?
Which substance is fermented by organisms in the human intestines, whereas most pathogens do not?
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Which method involves adding a diluted culture to a melted nutrient agar and pouring it into an empty dish?
Which method involves adding a diluted culture to a melted nutrient agar and pouring it into an empty dish?
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During which phase of population growth do cells lose their ability to divide and thus cells die?
During which phase of population growth do cells lose their ability to divide and thus cells die?
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What is the term for organisms dividing at their most rapid rate?
What is the term for organisms dividing at their most rapid rate?
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Which method involves placing a diluted sample on the center of a solid cooled agar medium and spreading it evenly?
Which method involves placing a diluted sample on the center of a solid cooled agar medium and spreading it evenly?
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What does CFU stand for in microbiology?
What does CFU stand for in microbiology?
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What is the term for growth in colonies that is not synchronized?
What is the term for growth in colonies that is not synchronized?
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What is the term for the descendants of the original cell?
What is the term for the descendants of the original cell?
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Which method is used when samples contain too few organisms to give reliable measures of population size by the standard plate count method?
Which method is used when samples contain too few organisms to give reliable measures of population size by the standard plate count method?
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What method uses agar plates and involves depositing streaks of bacteria using a sterile wire loop?
What method uses agar plates and involves depositing streaks of bacteria using a sterile wire loop?
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Which method is used to estimate the size of small bacterial populations by drawing water or air through a filter with pores too small to allow passage of bacteria?
Which method is used to estimate the size of small bacterial populations by drawing water or air through a filter with pores too small to allow passage of bacteria?
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What is measured to estimate bacterial growth indirectly?
What is measured to estimate bacterial growth indirectly?
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What are materials found in nature called?
What are materials found in nature called?
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What are materials from the laboratory called?
What are materials from the laboratory called?
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