Class II MHC transcriptional activator called CIITA and another transcription factor called RFX, have both been shown to activate the promoter of class II MHC genes.

Defects in these transcription factors cause one form of bare lymphocyte syndrome.

TLS Online TPP Program

#Id: 8703

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 8931

#Unit 2. Cellular Organization

DNA-PK, ATM, and ATR phosphorylate a variant histone H2AX within the chromatin near the damage site & Phosphorylated H2AX acts as a landing pad for recruiting additional protein complexes that control DNA repair

TLS Online TPP Program

#Id: 3038

#Unit 3. Fundamental Processes

Core polymerase and the clamp dissociate at completion of Okazaki fragment synthesis and reassociate at the beginning.

TLS Online TPP Program

#Id: 8115

#Unit 1. Molecules and their Interaction Relevant to Biology

Excreted S1P provokes many different cell and tissue effects, among them inflammation in allergic reactions, cell proliferation, angiogenesis, malignant transformation, and movement and migration of certain cells.

TLS Online TPP Program

#Id: 88

#Unit 5. Developmental Biology

Specification (capable of being altered)

It is a labile phase, so it is not fixed.