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TLS Online TPP Program

#Id: 9083

Cholera toxin, secreted by Vibrio cholerae in the intestine of an infected person, is a heterodimeric protein (AB). 

#Unit 4. Cell Communication and Cell Signaling #G Protein–Coupled Receptors #Part B Pointers
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TLS Online TPP Program

#Id: 9678

#Unit 4. Cell Communication and Cell Signaling

Activated PKB also promotes survival of many cultured cells by phosphorylating the Forkhead transcription factor FOXO3a on multiple serine and threonine residues.
TLS Online TPP Program

#Id: 10465

#Unit 4. Cell Communication and Cell Signaling

A classic inherited cancer syndrome is retinoblastoma, which is caused by loss of function of RB.
TLS Online TPP Program

#Id: 1563

#Unit 4. Cell Communication and Cell Signaling

This is the example of post-translational modification by a lipid that mediates a ligand-receptor interaction.
TLS Online TPP Program

#Id: 9567

#Unit 11. Evolution and Behavior

Cope’s rule:  A proposed generalization that individual body size in animals tends to increase during evolution.
TLS Online TPP Program

#Id: 3773

#Unit 1. Molecules and their Interaction Relevant to Biology

An atom has three parts: Proton carries positive charge, Electron carries negative charge, While Neutron carries no charge.