Question: 2 . Consider the following partial diploid strain of E coli: ( mathrm { I } + mathrm { O } +

2. Consider the following partial diploid strain of E coli: \(\mathrm{I}+\mathrm{O}+\mathrm{Z}+\mathrm{Y}-/\mathrm{I}^{\mathrm{S}}\mathrm{O}^{\mathrm{C}}\mathrm{Z}-\mathrm{Y}+\). Under what conditions will this strain make b-gal?
a. only when lactose is present
b. never
c. always
d. cannot be predicted
3. Consider the same partial diploid from Q2 above. Under what conditions will this strain make permease?
a. only when lactose is present
b. never
c. always
d. cannot be predicted
2 . Consider the following partial diploid strain

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