Question

Bacteriophage lambda is having a phage recombination system. Following are the characteristics of this system ____________

(a) It is used for inserting phage genome into the bacterium

(b) It is used for inserting bacterial genome into the phage

(c) The specific site in bacteria is attB and that in phage is attP

(d) The specific sites in both of them are called as attP

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Answer 1

Right choice is (a) It is used for inserting phage genome into the bacterium

The explanation: The phage genome is inserted into the bacterium. The site for insertion at the phage genome is attP and that in the case of a bacterium is attB.