Which of the following techniques can be used to introduce foreign DNA into cell ?

In r-DNA technique which of the following technique is not used in introducing DNA into host cell

In r-DNA technique which of the following technique is not used in introducing DNA into host cell

In r-DNA technique which of the following technique is not used in introducing DNA into host cell

Which of the following technique can be used for introduction of hydrophilic recombinant DNA through the cell membranes of a host cell ?

Which of the following technique can be used for introduction of hydrophilic recombinant DNA through the cell membranes of a host cell ?

Which of the following is not a method of introducing alien DNA into host cells ?