Which of the following steps are involved in recombinant DNA technology ?
I. The cells having desired DNA molecule are separated and cultured to increase their number.
II. A suitable vector and donor DNA both are treated with similar restriction enodnucleases.
III. Self ligation is increased with alkaline phosphatase.
IV. The host cell cannot be a bacterium.
A. I and IV
B. I and II
C. II and III
D. None of the these