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Unformatted text preview: this problem) Some organisms dont separate, but come in chains o Plating methods Sometimes putting the agar on top is useful, because it stops the bacteria from moving around Turbidity as an indirect measure o Light scattering off of organisms o Depends on morphology of organisms larger organisms scatter more light o You can quantify organisms by measuring the light scattering Photometers This is advantageous because you can still keep using the sample Chemostat culture o Instrument called a chemostat bioreactor of sorts you grow bacteria in it o Open system o Number of bacteria and rate of growth are kept constant o It enables you to control both the bacterial concentration and the doubling time....
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- Fall '09