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TLS Online TPP Program

#Id: 6572

Human pancreatic polypeptide contains 36 amino acid residues and is produced by F cells in the islets



#Unit 7. System Physiology – Animal #Insulin & Glucagon #Part B Pointers
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TLS Online TPP Program

#Id: 516

#Unit 2. Cellular Organization

Escherichia coli K-12 is 4.6Mb genome with 4400 genes so gene density 950 genes/Mb.
TLS Online TPP Program

#Id: 2258

#Unit 11. Evolution and Behavior

Directional selection leads to fixation of the favored allele and elimination of the other allele.
TLS Online TPP Program

#Id: 1893

#Unit 4. Cell Communication and Cell Signaling

Superantigens
Viral or bacterial proteins that bind simultaneously to the Vβ domain of a T-cell receptor and to the α chain of a Class II MHC molecule
TLS Online TPP Program

#Id: 670

#Unit 3. Fundamental Processes

Extensive shortening of telomeres is recognized by the cell as a double-strand break and consequently triggers cell cycle arrest and apoptosis.
TLS Online TPP Program

#Id: 6846

#Unit 5. Developmental Biology

Induction
Kind of interaction in which one group of cells changing the behavior of an adjacent set of cells, thereby causing them to change their shape, mitotic rate, or cell fate.