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
Subtopic:  Host & Desired DNA | Tools |
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A method used only for transforming animal cells is:

1. Biolistics 2. Microinjection
3. Use of virus 4. Agrobacterium mediation
Subtopic:  Host & Desired DNA |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology