In the absence of Hg2+, MerR functions as a repressor and binds to the operator region of the mer operon, thus preventing transcription of the structural genes.

TLS Online TPP Program

#Id: 1896

#Unit 4. Cell Communication and Cell Signaling

Regulatory T cells inactivate traditional T cells.

TLS Online TPP Program

#Id: 1897

#Unit 4. Cell Communication and Cell Signaling

Three signals are required for activation of a naïve T cell

TLS Online TPP Program

#Id: 1898

#Unit 4. Cell Communication and Cell Signaling

T-cell costimulatory

TLS Online TPP Program

#Id: 1899

#Unit 4. Cell Communication and Cell Signaling

Negative costimulation

TLS Online TPP Program

#Id: 1900

#Unit 4. Cell Communication and Cell Signaling

T Helper Subset Differentiation

TLS Online TPP Program

#Id: 1901

#Unit 4. Cell Communication and Cell Signaling

Regulation of TH1 and TH2 subset differentiation