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TLS Online TPP Program

#Id: 192

At lower concentrations of activin, genes were not activated, and the “default” gene expression instructed the cells to become blood vessels and heart.

#Unit 5. Developmental Biology #AMPHIBIA #Part B Pointers
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TLS Online TPP Program

#Id: 7489

#Unit 4. Cell Communication and Cell Signaling

Junctional diversity- P and N nucleotides  addition 
TLS Online TPP Program

#Id: 7490

#Unit 4. Cell Communication and Cell Signaling

P nucleotide addition results when the DNA hairpin at the coding joint is cleaved asymmetrically.
TLS Online TPP Program

#Id: 7491

#Unit 4. Cell Communication and Cell Signaling

Non - templated N nucleotide addition in heavy chains results from TdT activity. 
TLS Online TPP Program

#Id: 7492

#Unit 4. Cell Communication and Cell Signaling

Exonuclease trimming sometimes occurs at the VDJ and VJ junctions, causing loss of nucleotides.
TLS Online TPP Program

#Id: 7493

#Unit 4. Cell Communication and Cell Signaling

Combinatorial diversity: The same heavy chain can combine with different light chain
TLS Online TPP Program

#Id: 7494

#Unit 4. Cell Communication and Cell Signaling