Exercise: Downstream Processing

Questions for: Downstream Processing

Which of the operation does not come under upstream processing?
A:
Media preparation
B:
Inoculum development
C:
Effluent treatment
D:
Storage of raw material
Answer: C
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The conventional filtration involves the separation of large particles generally
A:
dp>5Ξm
B:
dp>10Ξm
C:
dp>15Ξm
D:
dp>20Ξm
Answer: B
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In antibiotic manufacturing processes, the fermentation time ranges from
A:
2-3 weeks
B:
1-2 weeks
C:
4-5 weeks
D:
2-4 weeks
Answer: C
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If the membrane rejects all solute, the rejection coefficient (s) is
A:
1
B:
0
C:
>1
D:
<1
Answer: A
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If the solute passes through membrane freely, the the rejection coefficient (s) is
A:
1
B:
0
C:
>1
D:
<1
Answer: B
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