Pointers

  1. Home
  2. Free Resources
  3. Pointers
  4. 7031
TLS Online TPP Program

#Id: 7031

Chevalier de Lamarck - Inheritance of acquired characteristics

#Unit 11. Evolution and Behavior #Emergence of evolutionary thoughts #Part B Pointers
PYQ Links
  1. PYQ 1
Extensive Links
  1. Link 1
More Pointers
TLS Online TPP Program

#Id: 569

#Unit 2. Cellular Organization

Leaky Expression cannot happen in P- and Z- mutants
TLS Online TPP Program

#Id: 570

#Unit 2. Cellular Organization

The lac operator is 21-bp sequence with twofold symmetric and is recognized by two subunits of Lac repressor
 
TLS Online TPP Program

#Id: 571

#Unit 2. Cellular Organization

Constitutive mutations occur at 8 positions in the operator between +5 and +17 called OC
TLS Online TPP Program

#Id: 572

#Unit 2. Cellular Organization

Repressor binds with O1and O3 tonhibit expression of lacZ
TLS Online TPP Program

#Id: 573

#Unit 2. Cellular Organization

Effects of mutations in the three lac operators
All three operators are essential for effective repression.
TLS Online TPP Program

#Id: 574

#Unit 2. Cellular Organization

OC are constitutive because repressor protein is unable to bind; this allows RNA polymerase to have unrestrained access to the promoter.