Exercise: Immobilized Enzyme

Questions for: Immobilized Enzyme

The immobilized enzyme produced by micro encapsulation technique provides
A:
an extremely large surface area
B:
smaller surface area
C:
high amount of solvent
D:
relatively smaller surface area
Answer: A
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Which of the following is taken as an assumption in the distributed model?
A:
The reaction occurs at every position and the kinetics of the reaction are of the same form as observed for free enzyme.
B:
Mass transfer through the immobilized enzyme occurs via molecular diffusion
C:
There is no mass transfer limitation at the outside surface of the spherical immobilized enzyme
D:
All of the above
Answer: D
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Which medium is used for the production of Penicillin using immobilized cells
A:
1% peptone medium
B:
glucose medium
C:
Yeast extract medium
D:
LB broth
Answer: B
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Functional groups of the nonessential amino acid residues that are suitable for the immobilization process are
A:
free α-, β- or γ carb oxyl groups
B:
α or β amino groups
C:
phenyl, hydroxyl, sulfhydryl or imidazole groups
D:
all of the above
Answer: D
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Water insoluble enzymes can be prepared by using multifunctional agents that are bifunctional in nature and have
A:
low molecular weight
B:
high molecular weight
C:
high equivalent weight
D:
low reactivity
Answer: A
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