Biology, asked by kaursahota50, 8 months ago

Explain the method to increase the competency of the bacterial cell membrane to take up recombinant DNA?

Answers

Answered by sushma8860

20

(a) Chemical method In this method, the cell is treated with a specific concentration of a divalent cation such as calcium to increase pore size in cell wall. them briefly at 42°C and then putting it back on ice. This is called heat shock treatment. This enables the bacteria to take up the recombinant DNA.

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