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TLS Online TPP Program

#Id: 2971

When initiation occurs, Cdc6 and Cdtl are displaced, returning the origin to the state of the postreplication complex, which contains only ORC. 


#Unit 3. Fundamental Processes #Fidelity of replication #Part B Pointers
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TLS Online TPP Program

#Id: 1448

#Unit 4. Cell Communication and Cell Signaling

Ca2+-dependent cadherin- mediated adhesion also plays an important role in tight-junction formation, stability, and function.
TLS Online TPP Program

#Id: 1449

#Unit 4. Cell Communication and Cell Signaling

Gap junctions permit the passage of molecules as large as 1.2 nm in diameter (molecules smaller than 1200 Da).
TLS Online TPP Program

#Id: 1450

#Unit 4. Cell Communication and Cell Signaling

Ions, low-MW precursors of cellular macromolecules, products of intermediary metabolism, & small intracellular signaling molecules can pass from cell to cell through gap junctions.
TLS Online TPP Program

#Id: 1451

#Unit 4. Cell Communication and Cell Signaling

Cell-adhesion molecules (CAMs) mediate direct cell-cell adhesions.
TLS Online TPP Program

#Id: 1452

#Unit 4. Cell Communication and Cell Signaling

Adhesion receptors mediate cell-matrix adhesions.
TLS Online TPP Program

#Id: 1453

#Unit 4. Cell Communication and Cell Signaling

Homophilic Binding 
A CAM on one cell can directly bind to the same kind of CAM on an adjacent cell