Larger populations are more resistant to extinctions.  Greater ranges of habitats promote increased speciation rates.

TLS Online TPP Program

#Id: 1493

#Unit 4. Cell Communication and Cell Signaling

MDM2 inhibits p53  by targeting it to the ubiquitin-dependent proteosomal degradation pathway.

TLS Online TPP Program

#Id: 745

#Unit 3. Fundamental Processes

Additional free energy for the formation of phosphodiester bond is provided by the rapid hydrolysis of the pyrophosphate into two phosphate groups by an enzyme known as pyrophosphatase:

 

TLS Online TPP Program

#Id: 4862

#Unit 1. Molecules and their Interaction Relevant to Biology

The Eadie-Hofstee plot

     

TLS Online TPP Program

#Id: 7018

#Unit 5. Developmental Biology

In many cases, signaling factors maintain the stem cell in an uncommitted state.

TLS Online TPP Program

#Id: 4775

#Unit 5. Developmental Biology

The P2 cell produces the MOM-2 protein, a C. elegans Wnt protein.