Bacterial Growth | Microbiology | Factors Affecting Bacterial Growth | Antibiotics | Sterilization

The bacterial growth curve is a graphical representation of the growth of a population of bacteria in a closed system over time. It typically consists of four phases:
Lag Phase: In this phase, bacteria adapt to their new environment, synthesizing enzymes needed for growth. There is little or no cell division during this phase.
Logarithmic (Log or Exponential) Phase: Also known as the exponential growth phase, this is when bacteria reproduce at their maximum rate. The population doubles at regular intervals, and the number of cells increases exponentially.
Stationary Phase: In this phase, the growth rate slows down and eventually stops. The number of new cells produced equals the number of cells that die, leading to a stable population size.
Death Phase: In this phase, the number of dying cells exceeds the number of new cells being produced. The population declines until all cells die or enter a dormant state.
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