MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your 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 | |
| 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 | |
| 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 | |
| 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+ |
| D. | NADP+ |
| Answer» B. Coenzyme A | |
| 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 | |
| 6. |
Which of the following is not a coenzyme? |
| A. | NADH |
| B. | ATP |
| C. | Synzyme |
| D. | NADPH |
| Answer» D. NADPH | |
| 7. |
Coenzyme may be immobilised together with the enzyme and regenerated in situ. |
| A. | True |
| B. | False |
| Answer» B. False | |