Biochemical Engineering - Downstream Processing

Exercise :: Downstream Processing - Section 1

  • Downstream Processing - Section 1
11. 

The disk centrifuge is the type of centrifuge used most often for bio separations due to its

A. continuous operation
B. lesser cost
C. higher speed
D. ease in operation

Answer: Option B

Explanation:

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12. 

The effectiveness of a solvent can be measured by the

A. distribution coefficients
B. selectivity
C. both (a) and (b)
D. diffusivity

Answer: Option C

Explanation:

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13. 

The stage wise operation of adsorption is called

A. contact filtration
B. conventional adsorption
C. affinity adsorption
D. ion exchange

Answer: Option A

Explanation:

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14. 

Which of the following is not the physical method for the cells rupturing?

A. Milling
B. Homogenization
C. Ultrasonication
D. Enzymatic digestion

Answer: Option D

Explanation:

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15. 

Conventional adsorption is a

A. reversible process
B. irreversible process
C. either reversible or irreversible
D. none of these

Answer: Option A

Explanation:

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