Adenoviruses and cytomegalo virus use to reduce the surface expression of class I MHC molecules, 

Measles virus and HIV, reduce levels of class II MHC molecules on the surface, 

Vaccinia virus, secreting a protein that binds to the C4b complement component.

TLS Online TPP Program

#Id: 9696

#Unit 4. Cell Communication and Cell Signaling

Phosphorylation of both GAPs by PKB allows RalA and the Rab10 to accumulate in their active GTP-bound states, enabling them to facilitate GSVs targeting and fusion

TLS Online TPP Program

#Id: 9697

#Unit 4. Cell Communication and Cell Signaling

In resting cells, 

GSK3 is catalytically active which phosphorylates and inhibits glycogen synthase, thus blocking glycogen synthesis from glucose

TLS Online TPP Program

#Id: 9698

#Unit 4. Cell Communication and Cell Signaling

In presence of insulin, 

GSK3 becomes phosphorylated by PKB its catalytic activity is inhibited

TLS Online TPP Program

#Id: 9699

#Unit 4. Cell Communication and Cell Signaling

Insulin stimulated activation of PKB promotes rapid activation of glycogen synthase and glycogen synthesis

TLS Online TPP Program

#Id: 9700

#Unit 4. Cell Communication and Cell Signaling

Mating pathway in the yeast S. cerevisiae, is a MAP kinase cascade which linked to GPCRs.

TLS Online TPP Program

#Id: 9701

#Unit 4. Cell Communication and Cell Signaling

Two mating types of yeast cells are: 

1. a 

2. α