Phage Switch Flashcards
1
Q
CI
A
Lambda repressor - LYSOGENY
2
Q
Cro
A
LYTIC
3
Q
CI Binding preference
A
OR1>OR2=OR3
4
Q
Cro binding preference
A
OR3>OR2=OR1
5
Q
OR3 OVERLAPS ‘ X ‘ which promotes ‘ Y ‘
A
Prm (repressor maintenance) - promotes CI synthesis
6
Q
OR1 OVERLAPS ‘ X ‘ which promotes ‘ Y ‘
A
PR - promotes cro synthesis
7
Q
Regulatory proteins
A
CI , CII, CIII, Cro , N, Q
8
Q
LYSOGENY
A
Reduction of cro synthesis & enhancement of CI Synthesis
9
Q
Lysis - condition
A
UV Light
10
Q
Rec A
A
DNA repair
11
Q
Rec A In lysis
A
Causes cI to autoclave and become inactive
