The extracellular domain of cytokine receptors are constructed of two subdomains, each contains seven conserved β strands folded together

TLS Online TPP Program

#Id: 9407

#XL - T Zoology

Foraging Behavior - The Search for Food

Optimizing its foraging behavior

1. When the difference between the energetic benefits of food consumption  and the energetic costs of food gathering is maximized.

2. Animals with optimal foraging strategies will have more available energy with which to survive and reproduce.

TLS Online TPP Program

#Id: 9657

#XL - T Zoology

Negative feedback regulation by MAP Kinase

activated MAP kinase triggers an increase in the expression of dual-specificity phosphatases (DUSPs), particularly DUSP6.

TLS Online TPP Program

#Id: 1348

#XL - T Zoology

RasD or RasONC  Replacement of the normal glycine 12 with any other amino acid (except proline) “locks” Ras in the active GTP-bound state.

TLS Online TPP Program

#Id: 8558

#XL - Q Biochemistry

Similarly, if the inhibitor binds to a different site from the substrate and reduces the affinity of the enzyme for the substrate without altering the reaction characteristics of that substrate which does bind, then hyperbolic competitive inhibition results

TLS Online TPP Program

#Id: 4844

#XL - Q Biochemistry