25. In the infection of E. coli by N phage, which description for the binding ability of cro is correct?
(A)OL₁ ＜OL₂＜OL3
(B) O_R1 ＞ O_R2 ＞ O_R3
(C) O_R1＜ O_R2 =O_R3
(D)OL₁＜OL₂ =OL3

In the infection of ...