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Biochemical Engineering - Fermentation Kinetics

Exercise : Fermentation Kinetics - Section 1
1.
The function of the disengagement zone in an airlift fermenter is to
prevent CO2 rich bubbles from entering the downcomer
reduce the velocity of the bubbles
reduce liquid loss as aerosols
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Stationary phase is described as
no further increase in the cell population after a maximum value
deceleration of growth and division rate after the growth rate reaches a maximum
acceleration of growth and division rate after the growth rate reaches a maximum
deceleration of growth and division rate after the growth rate reaches a minimum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
In the accelerated phase, cell starts to
increase and the division rate increases to reach a maximum
decrease and the division rate increases to reach a maximum
increase and the division rate decreases to reach a maximum
increase and the division rate increases to reach a minimum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The monod model predicts that the specific growth rate
will increase with the concentration of the growth limiting substrate until it reaches a maximum value
will decrease with the concentration of the growth limiting substrate
will increase with the concentration of the growth limiting substrate
does not depend on growth limiting substrate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
A mixed fermentation is one, which produces
both alcohol and carbon dioxide
both acid and carbon dioxide
both acid and alcohol
several different kinds of acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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