Exercise: Fermentation Kinetics

Questions for: Fermentation Kinetics

The bubble column fermenter is usually limited to
A:
aerobic fermentations
B:
anaerobic fermentations
C:
Both (a) and (b)
D:
facultative fermentation
Answer: A
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Residence time distribution (RTD) of a reactor is independent of
A:
micro mixing
B:
volume of reactor
C:
height of the reactor
D:
width of the reactor
Answer: A
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The application of just in time (JIT) manufacturing techniques in biotechnology is important because
A:
raw materials used in biotechnology are biodegradable
B:
the products of biotechnology are biodegradable
C:
it is a very competitive business (d) all of the above
D:
all of the above
Answer: D
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The optical density sometimes drops during the lag phase because
A:
cells tend to grow without dividing leading to a decrease in the surface area to volume ratio
B:
of fast cell growth causing them to fill up with DNA
C:
cells swell up with water
D:
cells swell up with RNA
Answer: A
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A functional relationship between the specific growth rate and essential compounds concentration was proposed by Monod in
A:
1958
B:
1946
C:
1942
D:
1950
Answer: C
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