During the growth of a bacterial population, in the phase we call the phase we see the number of newly formed growing cells of bacteria are equal in number to the dead or dying bacterial cells.

During the growth of a bacterial population, in the phase we call the stationary phase we see the number of newly formed growing cells of bacteria are equal in number to the dead or dying bacterial cells.

Explanation:

The bacterial growth is observed by a sigmoid bacterial growth curve. The bacteria growth has four phases:

Lag phase: This is the phase in which bacteria are preparing to get divide by adapting to the growth environment. In this phase growth enzymes, RNA synthesis and other molecules are synthesized.

Log phase: the exponential growth of bacterial cells takes place. The cells are dividing rapidly because necessary elements for growth and division are in sufficient amount.

stationary phase: There comes a time when living cells equals the number of dying cells. This is marked by a plateau in the graph. The phase is the characteristics where dividing cells exponentially decrease. This happens because of the depletion of metabolites and necessary elements takes place. Due to the competition of nutrients the fewer takers are metabolically inactive and those which can survive harsh conditions they live others die.

death phase: Due to the accumulation of waste products and rapid depletion of nutrient the number of cells dying increases and there is a sharp decline in the graph.

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