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TLS Online TPP Program

#Id: 652

The Ames test uses a strain of S. typhimurium that is mutant for the operon responsible for the biosynthesis of the amino acid histidine.

#Unit 3. Fundamental Processes #Mutation #Part B Pointers
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TLS Online TPP Program

#Id: 1439

#Unit 4. Cell Communication and Cell Signaling

The key CAMs in desmosomes are the desmosomal cadherins, desmoglein and desmocollin.
TLS Online TPP Program

#Id: 1440

#Unit 4. Cell Communication and Cell Signaling

Desmosomes
Function- Strength, durability, signaling
TLS Online TPP Program

#Id: 1441

#Unit 4. Cell Communication and Cell Signaling

Hemidesmosomes
Adhesion type- Cell-matrix
Cytoskeletal attachment- Intermediate filaments
TLS Online TPP Program

#Id: 1442

#Unit 4. Cell Communication and Cell Signaling

The principal ECM adhesion receptor in epithelial hemidesmosomes is integrin α6β4.
TLS Online TPP Program

#Id: 1443

#Unit 4. Cell Communication and Cell Signaling

Hemidesmosomes
Function- Shape, rigidity, signaling
TLS Online TPP Program

#Id: 1444

#Unit 4. Cell Communication and Cell Signaling

Focal adhesions 
Adhesion type- Cell-matrix
Adhesion receptors- Integrins
Cytoskeletal attachment- Actin filaments