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TLS Online TPP Program

#Id: 2452

In the absence of allolactose, the repressor is present in a form that binds its site on DNA (and so keeps the lac genes switched off ). 

#Unit 3. Fundamental Processes #Transcription elongation and termination #Part B Pointers
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TLS Online TPP Program

#Id: 9911

#Unit 4. Cell Communication and Cell Signaling

Arachidonic acid and some eicosanoid derivatives
TLS Online TPP Program

#Id: 9912

#Unit 4. Cell Communication and Cell Signaling

Cyclooxygenase-2 (COX-2)
Enzyme responsible for the formation from arachidonic acid of prostaglandins and other pro-inflammatory mediators.
TLS Online TPP Program

#Id: 10286

#Unit 4. Cell Communication and Cell Signaling

T cells initiate the adaptive immune response by interacting MHC on antigen-presenting cells that have been exposed to pathogens. 
TLS Online TPP Program

#Id: 10287

#Unit 4. Cell Communication and Cell Signaling

T-Cell - Cells leaving the thymus are functional, mature T cells expressing unique and specific T-cell receptors (TCRs) that are both tolerant to self and restricted to self-MHC.
TLS Online TPP Program

#Id: 10288

#Unit 4. Cell Communication and Cell Signaling
TLS Online TPP Program

#Id: 10289

#Unit 4. Cell Communication and Cell Signaling

T-cell lineage