Biology · Principles and Processes in Biotechnology
हिन्दीIn preparing competent bacterial cells for transformation, treatment with divalent calcium cations directly aids in:
Correct answer · Option 2
Increasing the efficiency with which foreign DNA enters through cell wall pores.
Explanation
Divalent cations like calcium increase the permeability and efficiency with which hydrophilic DNA enters the bacterium through pores in its cell wall.