Bacterial Growth Curve and Population Decline
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Questions and Answers

What is the phase in which the growth rate reaches a constant maximum value?

  • The Exponential Growth Phase (Log Phase) (correct)
  • The Death Phase
  • The Stationary Phase
  • The Lag Phase

    • What causes the Lag Phase in microbial growth?

  • Transfer of inoculum into a chemically different medium
  • Exhaustion of available nutrients
  • Accumulation of toxic metabolic products
  • Time necessary for the cells to adapt to the new environment (correct)

    • What determines the typical shape of the microbial growth curve?

  • Renewal of nutrients
  • Exhaustion of available nutrients and accumulation of toxic metabolic products (correct)
  • Size of the initial inoculum
  • Rate of population change in each phase

    • When does the population start to decline in microbial growth?

    <p>After growth has ceased</p> Signup and view all the answers

    What is the primary cause for Lags in general?

    <p>Use of an inoculum taken from an old culture or transfer into a chemically different medium</p> Signup and view all the answers

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