Class B and C activities form stamens.

TLS Online TPP Program

#Id: 1731

#Unit 4. Cell Communication and Cell Signaling

FcεRI signalling through Lyn and Syk kinases also activates E3 ubiquitin ligases, including c-Cbl. Cbl ubiquitinylates Lyn and Syk, as well as FcεRI itself, triggering their degradation.

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: 9987

#Unit 4. Cell Communication and Cell Signaling

Wnt ligands are recognized by Frizzled/retinoic acid-related orphan receptor (ROR)/receptor tyrosine kinase (RYK) receptor complexes

TLS Online TPP Program

#Id: 8466

#Unit 1. Molecules and their Interaction Relevant to Biology

Polyleucine and polyalanine readily form a-helical structures.

TLS Online TPP Program

#Id: 9915

#Unit 4. Cell Communication and Cell Signaling

Intracellular infections are the most difficult for the immune system to detect and eradicate; these can be divided into membrane-bound and cytosolic, with differing key immune response mediators