RAS is connected to the membrane by a prenylated (lipid) tail.

TLS Online TPP Program

#Id: 2206

#Unit 11. Evolution and Behavior

Carolus Linnaeus- Classified “related” species into genera, “related” genera into orders, and so on.

TLS Online TPP Program

#Id: 4740

#Unit 5. Developmental Biology

The founder cell (AB) divides equatorially, while the P1 cell divides meridionally (transversely) to produce another founder cell (EMS) and a posterior stem cell (P2).

TLS Online TPP Program

#Id: 9478

#Unit 4. Cell Communication and Cell Signaling

SOCS box, 

Recruits E3 ubiquitin ligases that polyubiquitinylate the receptor and the JAK kinase & marks the proteins for destruction by a proteasome

TLS Online TPP Program

#Id: 1261

#Unit 7. System Physiology – Animal

The hormones of the adrenal cortex are derivatives of cholesterol.

TLS Online TPP Program

#Id: 9714

#Unit 4. Cell Communication and Cell Signaling

Ste11 analogous to Raf and other mammalian MEK kinase (MEKK) proteins.