MCQOPTIONS
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MCQOPTIONS
This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Enzyme Technology Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What does Z represent in the following diagram? |
| A. | Parafilm |
| B. | Glass rod |
| C. | Protein solution |
| D. | Ethanol-dry ice mixture |
| Answer» D. Ethanol-dry ice mixture | |
| 2. |
In the below diagram of organic solvent fractionation, what does Y represent? |
| A. | Stirring motor |
| B. | Thermometer |
| C. | Protein solution |
| D. | Dry-ice-ethanol water mixture |
| Answer» E. | |
| 3. |
What is the next step after organic solvent fractionation with dry ice – ethanol – water mixture? |
| A. | Refrigerated centrifugation at 3000 g for 15 mins |
| B. | Drying in freezer |
| C. | Supernatant fractionation with ethanol |
| D. | Precipitated protein dissolved in 0.01 to 0.05 M cold buffer |
| Answer» B. Drying in freezer | |