A device that removes wastes and adds fresh medium to bacterial cultures in order to prolong the log phase of a culture is called a(n)

A device that removes wastes and adds fresh medium to bacterial cultures in order to prolong the log phase of a culture is called a(n)



A) Coulter counter.
B) cytometer.
C) spectrophotometer.
D) pellicle.
E) chemostat.


Answer: E


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