NEET Zoology Biotechnology Principles and Processes Questions Solved

In order to make the host cell competent

Divalent cations such as calcium are used-

A.      The divalent ions has to be in specific concentration

B.      They cause the DNA uptake by the cell

C.      They increase the efficiency with which DNA enters the bacterium through pores in its cell membrane.

D.     Both B and C

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