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11. The disk centrifuge is the type of centrifuge used most often for bioseparations due to its

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

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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

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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

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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

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15. Conventional adsorption is a

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

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