TLS Online TPP Program

#Id: 10384

#Section 2: General Biology

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: 8361

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 8204

#Section 3: Genetics, Cellular and Molecular Biology

Lysosome H+ pump are V-type ATPases and has a similar architecture to the F-type ATPases

TLS Online TPP Program

#Id: 8154

#Section 3: Genetics, Cellular and Molecular Biology

Sar1 GTPase drives the pinching off of COPII vesicles

ARF GTPase drives the pinching off of COPIvesicles

Dynamin GTPase drives the pinching off of clathrin-coated vesicles

TLS Online TPP Program

#Id: 8394

#Section 3: Genetics, Cellular and Molecular Biology

When the Ca2+ levels drop:

Myosin LC is dephosphorylated by MLC phosphatase, causing muscle relaxation.