TLS Online TPP Program

#Id: 10505

#Unit 4. Cell Communication and Cell Signaling

Human Bcl-2 and worm CED-9 both proteins act as regulators that suppress the apoptotic pathway

TLS Online TPP Program

#Id: 7013

#Unit 5. Developmental Biology

All tissue types possess a unique stem cell niche, and despite many differences among the niche architecture of different tissues.

TLS Online TPP Program

#Id: 6293

#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 5438

#Unit 7. System Physiology – Animal

Voltage-gated sodium channel has two gates:

activation gate near the outside of the channel 

Inactivation gate near 

the inside of the channel 

TLS Online TPP Program

#Id: 3655

#Unit 3. Fundamental Processes

Certain archaebacteria lack a gene for CysRS. In these cells, Cys–tRNACys is produced by a ProRS (called ProCysRS).