Which of the following E. coli strains will synthesize permease in the presence of lactose and absence of glucose?
A) lacI- lacP- lacO+ lacZ+ lacY+
B) lacIs lacP- lacO+ lacZ- lacY+/lacI+ lacP+ lacO+ lacZ+ lacY+
C) lacI- lacP+ lacO+ lacZ+ lacY-
D) lacI- lacP+ lacOc lacZ-lacY-/lacI+ lacP- lacO+ lacZ- lacY+
E) lacI+ lacP+ lacOc lacZ+ lacY-/lacI- lacP+ lacO+lacZ- lacY+
Correct Answer:
Verified
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