Semi-logarithmic plot of bacterial growth showing optical density (OD600) as a function of time.

Description

Semi-logarithmic plot of bacterial growth showing optical density (OD600) as a function of time. The growth curve is partitioned into lag, exponential, and stationary phases, with vertical dashed lines indicating phase transitions. An exponential regression model applied to the 5–15 hour growth window provides the specific growth rate and a calculated doubling time (Td), characterizing the kinetics of the culture during its active expansion phase.

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