(I = lac repressor gene; Z, Y, A = lac operon structural genes; P = lac promoter; O = lac operator)
Reference: Ref 16-2
I----P-O--Z---Y--A
Which parts of the DNA region shown in the diagram encode proteins?
Question options:
P
I, Z, Y, A
P, O, Z, Y, A
I, P, O, Z, Y, A