Which of the following can be used to induce competence for getting a bacterial cell transformed during rDNA procedures?
1. | A divalent cation | 2. | Ethidium bromide |
3. | Polyethylene glycol | 4. | Anionic proteins |
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A method used only for transforming animal cells is:
1. | Biolistics | 2. | Microinjection |
3. | Use of virus | 4. | Agrobacterium mediation |
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In microinjection, the rDNA :
1. | coats the micropellets and is used in biolistics to transform plant cells |
2. | is directly injected into the cytoplasm of a plant or an animal cell |
3. | is delivered in the vicinity of the plasma membrane of the cell (to be transformed) |
4. | is directly injected into the nucleus of an animal cell |
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