| 1. | The deliberate modifications of an organism's genetic information by directly changing its nucleic acid content is a subject matter of |
| a. | genetic engineering |
| b. | population genetics |
| c. | microbiology |
| d. | protein engineering |
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Answer: (a).genetic engineering
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| 2. | Electroporation is |
| a. | the process of separating charged molecules through a gel maintained in an electric field |
| b. | the process of combining foreign DNA to an electrically charged vector molecule |
| c. | the application of high voltage pulses |
| d. | the process of multiplication of the cells |
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Answer: (c).the application of high voltage pulses
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| 3. | Which of the following is obtained using processed mRNA molecules as a template? |
| a. | rDNA |
| b. | mDNA |
| c. | cDNA |
| d. | tDNA |
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Answer: (c).cDNA
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| 4. | Vectors are |
| a. | molecules that degrade nucleic acids |
| b. | molecules that help in replication |
| c. | molecules that are able to covalently bond to and carry foreign DNA into cells |
| d. | molecules that protect host cells from invasion by foreign DNA |
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Answer: (c).molecules that are able to covalently bond to and carry foreign DNA into cells
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| 5. | What is the normal role of restriction endonucleases in bacterial cells? |
| a. | To degrade the bacterial chromosome into small pieces during replication |
| b. | To degrade invading phage DNA |
| c. | To produce RNA primers for replication |
| d. | All of the above |
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Answer: (b).To degrade invading phage DNA
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