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TLS Online TPP Program

#Id: 5864

The constant c is often thought of as the number of species per unit area. It is affected by many factors.

#Unit 10. Ecological Principles #Ecological succession, Island biogeography and Applied ecology #Part B Pointers
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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.