Explore topic-wise MCQs in Enzyme Technology.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Enzyme Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following is an example of regeneration of the derivatized coenzymes by enzymic means?

A. Formate dehydrogenase
B. Exocyclic N6-amino nitrogen of the adenine moiety
C. Dextrans
D. Polyethylene glycol
Answer» B. Exocyclic N6-amino nitrogen of the adenine moiety
Discussion
2.

Which of the following system is not used to derivatize coenzymes?

A. Alkylation of the exocyclic N6-amino nitrogen of the adenine moiety present in the coenzymes
B. High molecular weight water-soluble derivatives
C. Derivative of myoglobin acts as an effective natural ascorbate oxidase
D. Enzymic regeneration
Answer» D. Enzymic regeneration
Discussion
3.

Which of the following are high molecular weight water-soluble derivatives which are used for derivatization of co-enzymes?

A. Dextrans
B. Exocyclic N6-amino nitrogen
C. Polyethyleneimine
D. Polyethylene glycols
Answer» C. Polyethyleneimine
Discussion
4.

Which of the following coenzyme is not derivatized by alkylation of the exocyclic N6-amino nitrogen of the adenine present in it?

A. Papain
B. Coenzyme A
C. NAD<sup>+</sup>
D. NADP<sup>+</sup>
Answer» B. Coenzyme A
Discussion
5.

Which of the following is not true for coenzymes?

A. Coenzymes may be immobilized/regenerated with the use of whole-cell systems
B. Membrane reactors may be used to immobilize the coenzyme
C. They are referred to as artificial enzymes
D. Coenzymes may be derivatized for adequate immobilization and regeneration
Answer» D. Coenzymes may be derivatized for adequate immobilization and regeneration
Discussion
6.

Which of the following is not a coenzyme?

A. NADH
B. ATP
C. Synzyme
D. NADPH
Answer» D. NADPH
Discussion
7.

Coenzyme may be immobilised together with the enzyme and regenerated in situ.

A. True
B. False
Answer» B. False
Discussion