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The definition for fermentation is any process during which microorganisms use
an external food source to obtain energy, chemically changing the medium. The
term fermenter is also defined as a vessel used to cultivate microorganisms for
fermentation.

Microorganisms are used to make drugs. These have extremely complicated
molecules and are…

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The graph
above shows bacterial growth for `reallife' conditions, not the suitable,
convenient conditions we give microbes in an industrial fermenter. If we kept
conditions in a fermenter to a `reallife' standard, then we would not get the
medicine, or product that we need. Bacteria are not cheap it would…

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