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Questions and Answers
During which phase of bacterial growth does cell division stop due to nutrient depletion and toxic product accumulation?
During which phase of bacterial growth does cell division stop due to nutrient depletion and toxic product accumulation?
- Log or Exponential phase
- Lag phase
- Stationary phase (correct)
- Phase of Decline
What characterizes the Log or Exponential phase of bacterial growth?
What characterizes the Log or Exponential phase of bacterial growth?
- Cell division stops
- Smaller cells, stain uniformly (correct)
- Maximum cell size
- Irregular staining, sporulation, and exotoxin production
How are bacterial counts affected in the Stationary phase?
How are bacterial counts affected in the Stationary phase?
- Increase exponentially
- Remain stationary due to equilibrium between dying and new cells (correct)
- Decrease due to autolytic enzymes
- Reach maximum count
What method can be used to obtain the Total Count of bacterial cells?
What method can be used to obtain the Total Count of bacterial cells?
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Which phase is characterized by the production of autolytic enzymes leading to a decrease in population?
Which phase is characterized by the production of autolytic enzymes leading to a decrease in population?
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What is the key feature of the Lag phase of bacterial growth?
What is the key feature of the Lag phase of bacterial growth?
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Which method measures the number of living bacterial cells specifically?
Which method measures the number of living bacterial cells specifically?
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What happens to the number of living and dead cells in the Total Count method?
What happens to the number of living and dead cells in the Total Count method?
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