For each E coli genotype and condition in the following table, choose which sets
ID: 193679 • Letter: F
Question
For each E coli genotype and condition in the following table, choose which sets of functional proteins will or will not be produced.
All grown in media with no/low glucose.
IS indicates a super-repressor (it can’t bind to lactose/inducers).
OC indicates a constitutive operon (no repressor can bind to this region of DNA).
I- ; Z- ; Y-each indicate an allele that does not produce a functional protein.
P- indicates a mutation in the promoter region such that RNA polymerase does not bind.
Lac Genotype
Inducer absent
Inducer present
I- P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
IS P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I+ P+ OC Z- Y+/
I+ P+ O+ Z+ Y-
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I- P+ OC Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
IS P+ O+ Z+ Y+/
I+ P+ OC Z+ Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I+ P- OC Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I+ P- O+ Z+ Y-/
I+ P+ OC Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I- P- O+ Z+ Y+/
I+ P+ O+ Z- Y-
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I- P+ O+ Z+ Y-/
I+ P- O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Lac Genotype
Inducer absent
Inducer present
I- P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
IS P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I+ P+ OC Z- Y+/
I+ P+ O+ Z+ Y-
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I- P+ OC Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
IS P+ O+ Z+ Y+/
I+ P+ OC Z+ Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I+ P- OC Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I+ P- O+ Z+ Y-/
I+ P+ OC Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I- P- O+ Z+ Y+/
I+ P+ O+ Z- Y-
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
I- P+ O+ Z+ Y-/
I+ P- O+ Z- Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
Functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
No functional B-galactosidase
No functional permease
Explanation / Answer
Repressor protein can act as both cis and trans mode, superrepressor can binds to operatior even in the presence of inducer, if the operator is constitutive in mode even super repressor can’t bind, the promoter is cis element so, On the basis of these points, the answers are
Lac Genotype
Inducer absent
Inducer present
I- P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
IS P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
No functional B-galactosidase
No functional permease
No functional B-galactosidase
No functional permease
I+ P+ OC Z- Y+/
I+ P+ O+ Z+ Y-
No functional B-galactosidase
Functional permease
Functional B-galactosidase
Functional permease
I- P+ OC Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
IS P+ O+ Z+ Y+/
I+ P+ OC Z+ Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
Functional permease
I+ P- OC Z+ Y-/
I+ P+ O+ Z- Y+
No functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
I+ P- O+ Z+ Y-/
I+ P+ OC Z- Y+
No functional B-galactosidase
Functional permease
No functional B-galactosidase
Functional permease
I- P- O+ Z+ Y+/
I+ P+ O+ Z- Y-
No functional B-galactosidase
No functional permease
No functional B-galactosidase
No functional permease
I- P+ O+ Z+ Y-/
I+ P- O+ Z- Y+
No functional B-galactosidase
No functional permease
Functional B-galactosidase
No functional permease
Lac Genotype
Inducer absent
Inducer present
I- P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
No functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
IS P+ O+ Z+ Y-/
I+ P+ O+ Z- Y+
No functional B-galactosidase
No functional permease
No functional B-galactosidase
No functional permease
I+ P+ OC Z- Y+/
I+ P+ O+ Z+ Y-
No functional B-galactosidase
Functional permease
Functional B-galactosidase
Functional permease
I- P+ OC Z+ Y-/
I+ P+ O+ Z- Y+
Functional B-galactosidase
No functional permease
Functional B-galactosidase
Functional permease
IS P+ O+ Z+ Y+/
I+ P+ OC Z+ Y+
Functional B-galactosidase
Functional permease
Functional B-galactosidase
Functional permease
I+ P- OC Z+ Y-/
I+ P+ O+ Z- Y+
No functional B-galactosidase
No functional permease
No functional B-galactosidase
Functional permease
I+ P- O+ Z+ Y-/
I+ P+ OC Z- Y+
No functional B-galactosidase
Functional permease
No functional B-galactosidase
Functional permease
I- P- O+ Z+ Y+/
I+ P+ O+ Z- Y-
No functional B-galactosidase
No functional permease
No functional B-galactosidase
No functional permease
I- P+ O+ Z+ Y-/
I+ P- O+ Z- Y+
No functional B-galactosidase
No functional permease
Functional B-galactosidase
No functional permease
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