MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following causes of enzyme inactivation? |
| A. | Filtration |
| B. | Loss of cofactor or coenzymes |
| C. | Centrifugation |
| D. | Crossflow microfiltration |
| Answer» C. Centrifugation | |
| 2. |
___________ is also the major reason for enzyme inactivation by microbial contamination. |
| A. | Proteolysis |
| B. | Heat |
| C. | Loss of co-factors or co-enzymes |
| D. | Oxidation |
| Answer» B. Heat | |
| 3. |
Which of the following doesn t cause enzyme inactivation? |
| A. | Heat |
| B. | Proteolysis |
| C. | Centrifugation |
| D. | Sub-optimal pH |
| Answer» D. Sub-optimal pH | |
| 4. |
Some commercial enzyme preparations consist essentially of concentrated fermentation broth and additives. |
| A. | True |
| B. | False |
| Answer» B. False | |