Which of the following is not correct for the Monod model and the Michaelis Menten Model?

Question: Which of the following would be correct concerning the concentration of biomass (X). growth limiting substrate (S) and product (P) in a chemostat when the cells have been washed out?
[A].

X,S and P will be zero

[B].

X,S and P can not be predicted for the above condition

[C].

X and P will be zero while S is equal to the substrate concentration in feed

[D].

None of the above

Answer: Option C

Explanation:

No answer description available for this question.

Question: Which of the following is not correct with regards to continuous cultures?
[A].

The major industrial scale application of continuous cultures is in waste water treatment

[B].

Mutation and contamination present a major risk to the operation of continuous cultures for the production of metabolites

[C].

The continuous cultures is very useful for the production of pharmaceuticals

[D].

Continuous cultures have an advantage that they do not need to shut down as regularly as batch culture reactor

Answer: Option C

Explanation:

No answer description available for this question.

Question: Unsteady state mass balance for dynamic model of continuous stirred tank reactor (CSTR) is
[A].

time rate of total amount in rector = rate of addition to reactor -rate of removal + rate of formation

[B].

total amount in rector = rate of addition to reactor – rate of removal + rate of formation

[C].

rate of total amount in rector = rate of addition to reactor – rate of removal + rate of formation

[D].

none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Question: Yeast is typically produced in fed batch reactors because
[A].

yeast cells produce ethanol at low glucose concentrations

[B].

yeast cells ferment at low glucose concentrations

[C].

yeast cells respire at low glucose concentrations

[D].

all of the above

Answer: Option C

Explanation:

No answer description available for this question.