Receptor Homodimerization GH, prolactin, G-CSF, thrombopoietin, and Epo have similar structures & they activate receptors of similar structure by forming dimers of two identical cytokine receptor proteins.

 

TLS Online TPP Program

#Id: 8620

#Unit 2. Cellular Organization

A second class of CKIs found in metazoan cells is the Cip/Kip family of CKIs, consists of three proteins—p21CIP, p27KIP1, and p57KIP2. 

TLS Online TPP Program

#Id: 5930

#Unit 10. Ecological Principles

Food chain - linear energy flow, with each organism feeding on and deriving energy from the preceding organism. Grazing , Detritus and Parasitic Line thickness indicates the relative amount of energy flowing along a particular link.

TLS Online TPP Program

#Id: 2097

#Unit 8. Inheritance Biology

Duplications and deletions often arise from unequal crossing over.

TLS Online TPP Program

#Id: 2311

#Unit 3. Fundamental Processes

P-TEFb activates elongation, splicing and polyadenylation and phosphorylates

  Serine 2 CTD

  TAT-SF1

  SPT5

TLS Online TPP Program

#Id: 9110

#Unit 10. Ecological Principles

Predator-Prey Interactions

Models of predation need to consider predator effect on prey populations, and prey effects on predator population.

Also need to consider the time spent searching, subduing and consuming prey