Q. No.| 1. | Providing the best catalyst in the form of improved organism usually a microbe or pure enzyme. |
| 2. | Creating optimal conditions through engineering for a catalyst to act. |
| 3. | Downstream processing technologies to purify the protein/organic compound. |
| 4. | Development of new genetically modified microbes that can be used as bio-weapons. |
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| 1. | have had their DNA manipulated to possess and express an extra [foreign] gene. |
| 2. | are genetically modified with the use of foreign genes from a sexually compatible donor organism. |
| 3. | are produced by interspecific hybridisation. |
| 4. | are produced by inbreeding. |
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| I: | Transgenic animals can be specifically designed to allow study of how genes are regulated, and how they affect the normal functions of the body and its development. |
| II: | Transgenic animals cannot be used to serve as models for humans diseases so that investigation of new treatments for diseases is made possible. |
| III. | Transgenic animals can be specifically designed to allow study of complex factors involved in growth such as insulin like growth factor. |
| 1. | Statement I is correct, Statement II is incorrect, Statement III is correct |
| 2. | Statement I is incorrect, Statement II is correct, Statement III is correct |
| 3. | Statement I is correct, Statement II is correct, Statement III is incorrect |
| 4. | Statement I is incorrect, Statement II is incorrect, Statement III is correct |
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| Assertion (A): | Transgenic mice are being used to test the safety of polio vaccine. |
| Reason (R): | Monkeys are not reliable to test the safety of polio vaccine. |
| 1. | Both (A) and (R) are false. |
| 2. | Both (A) and (R) are true but (R) does not explain (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are true and (R) explains (A). |
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Transgenic animals used to test the safety of polio vaccine are:
| 1. | Mice | 2. | Monkeys |
| 3. | Rabbits | 4. | Pigs |
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The transgenic cow, Rosie, produced milk that:
| 1. | Contained human beta lactalbumin |
| 2. | contained interferons to treat viral infections |
| 3. | contained Alpha – 1 antitrypsin |
| 4. | Is protein enriched |
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Alpha-1-antitrypsin was produced in a transgenic sheep, Tracy. This enzyme is used in the treatment of:
| 1. | Emphysema | 2. | Rheumatoid arthritis |
| 3. | Ovarian cancer | 4. | Pancreatitis |
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At present transgenic animals cannot be used for:
| 1. | Harvesting biological products |
| 2. | Testing vaccine safety |
| 3. | Study of human diseases |
| 4. | Xenotransplantation |
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Transgenic mice are being used to test the safety of polio vaccine. They could replace the use of:
| 1. | Monkeys | 2. | Rabbits |
| 3. | Fowl | 4. | Frogs |
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