Exercise: Fermentation Kinetics

Questions for: Fermentation Kinetics

The function of a mechanical seal is to
A:
prevent contaminants entering the reactor
B:
prevent cells from leaving the reactor
C:
both (a) and (b)
D:
prevent air to enter
Answer: C
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A mixed fermentation is one, which produces
A:
both alcohol and carbon dioxide
B:
both acid and carbon dioxide
C:
both acid and alcohol
D:
several different kinds of acid
Answer: C
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The monod model predicts that the specific growth rate
A:
will increase with the concentration of the growth limiting substrate until it reaches a maximum value
B:
will decrease with the concentration of the growth limiting substrate
C:
will increase with the concentration of the growth limiting substrate
D:
does not depend on growth limiting substrate
Answer: A
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In the accelerated phase, cell starts to
A:
increase and the division rate increases to reach a maximum
B:
decrease and the division rate increases to reach a maximum
C:
increase and the division rate decreases to reach a maximum
D:
increase and the division rate increases to reach a minimum
Answer: A
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Stationary phase is described as
A:
no further increase in the cell population after a maximum value
B:
deceleration of growth and division rate after the growth rate reaches a maximum
C:
acceleration of growth and division rate after the growth rate reaches a maximum
D:
deceleration of growth and division rate after the growth rate reaches a minimum
Answer: A
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