1.

Question : Given below are different steps of transformation in a bacterial cell. Arrange them in correct sequence. (i) Heat shock (at 42°C) (ii) Treatment of bacterial cell with divalent cations at 4°C (iii) Bacterial cells are incubated with recombinant DNA on ice (iv) Recombinant/Transformed bacteria are plated and kept at 37°C

Answer»

(i), (II), (III), (IV)
(ii), (i), (iii), (iv)
(ii), (iv), (i), (iii)
(iv), (ii), (iii), (i)

ANSWER :B


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