TLS Online TPP Program

#Id: 6398

#Unit 2. Cellular Organization

Repression-Trp aporepressor dimer binds high tryptophan, changes conformation with high affinity for trp operator

Tryptophan is a corepressor

TLS Online TPP Program

#Id: 1366

#Unit 4. Cell Communication and Cell Signaling

Phosphotyrosines function as docking sites for STAT proteins.

TLS Online TPP Program

#Id: 9540

#Unit 11. Evolution and Behavior

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

To him, “relatedness” meant propinquity in the Creator’s design.

TLS Online TPP Program

#Id: 2984

#Unit 13. Methods in Biology

The unit of s is seconds Most values of s are between 10-13 and 10-11 second. To
eliminate the exponents, the value of s is usually reported in svedbergs (S). 1 svedberg 10-13 second.

TLS Online TPP Program

#Id: 1899

#Unit 4. Cell Communication and Cell Signaling

Negative costimulation