Bacteria as unicellular organisms reproduce by dividing their entire organism. In this way, they can multiply particularly quickly, which allows the exponential growth of bacterial populations, also known from pathogens. The population growth is based on the growth of the individual bacterial cells. It is also characterized by a rapid increase in size and, depending on the species, limited by a certain maximum cell size of the bacterium. Until now, research has assumed that a bacterial cell, just like its population as a whole, grows exponentially until it reaches this final size.