Ch. 12 Lac gene Mutants Flashcards
1
Q
lacI-
A
Unable to bind to operator
2
Q
lacI^s
A
Super repressor, blocks all transcription
3
Q
lacZ-
A
No functional B-galactosidase
4
Q
lacY-
A
No functional permease
5
Q
lacA-
A
No transacetylase
6
Q
Unable to bind to operator
A
lacl-
7
Q
Super repressor, blocks all transcription
A
lacl^s
8
Q
No functional B-galactosidase
A
lacZ-
9
Q
No functional permease
A
lacY-
10
Q
No transacetylase
A
lacA-
11
Q
lacO^c
A
Fails to bind repressor protein, causes constitutive transcription
12
Q
lacP-
A
Fails to bind RNA polymerase or does so weajly
13
Q
Fails to bind repressor protein, causes constitutive transcription
A
lacO^c
14
Q
Fails to bind RNA polymerase or does so weakly
A
lacP-