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  4. For transformation with recombinant DNA, the bacterial cells must first be made competent which means

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Q. For transformation with recombinant DNA, the bacterial cells must first be made competent which means

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Solution:

As DNA is a hydrophilic molecule, it can not pass through cell membrane as it is hydrophobic in nature. Therefore, the bacterial cells should be made capable of uptaking DNA, i.e., they should be competent.