Biochemical Engineering - Immobilized Enzyme

Exercise :: Immobilized Enzyme - Section 1

  • Immobilized Enzyme - Section 1
16. 

Which of the following is not a physical method of immobilization?

A. Adsorption
B. Entrapment
C. Micro encapsulation
D. None of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

17. 

The support material for immobilization of cells of Bacillus subtilis is

A. ion exchange resins
B. gelatin
C. Anthracite
D. agarose and carbodiimide

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

18. 

The intraparticle mass transfer resistance can affect the rate of enzyme reaction, if enzymes are immobilized by

A. copolymerization or microencapsulation
B. crosslinking using multifunctional reagents
C. adsorption
D. all of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

19. 

The covalent attachment of enzyme molecules is via

A. nonessential amino acids residues to water insoluble, functional supports
B. essential amino acids residues to water insoluble, functional supports
C. nonessential amino acids residues to water soluble, functional supports
D. essential amino acids residues to water soluble, functional supports

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

20. 

To measure the extent to which the reaction rate is lowered because of resistance to mass transfer, the effectiveness factor of an immobilized enzyme, η can be defined as

A. reaction rate/rate if not slowed by diffusion
B. rate if not slowed by diffusion/ reaction rate
C. actual reaction rate/ rate if not slowed by diffusion
D. rate if not slowed by diffusion/ actual reaction rate

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.