Phase contrast and Differential interference microscopy are used to image live cells and unstained tissues.

TLS Online TPP Program

#Id: 1331

#Unit 4. Cell Communication and Cell Signaling

The principal function of DAG is to activate protein kinase C.

TLS Online TPP Program

#Id: 1332

#Unit 4. Cell Communication and Cell Signaling

Gαq activate α1-Adrenergic receptor

TLS Online TPP Program

#Id: 1333

#Unit 4. Cell Communication and Cell Signaling

Cholera toxin, secreted by Vibrio cholerae Catalyze a covalent modification of the Gαs protein Inhibit GAP activity.

TLS Online TPP Program

#Id: 1334

#Unit 4. Cell Communication and Cell Signaling

The pertussis toxin, produced by Bordetella pertussis Catalyze a covalent modification of the Gαi protein preventing GDP-GTP exchange.

TLS Online TPP Program

#Id: 1335

#Unit 4. Cell Communication and Cell Signaling

The bacterial toxins that cause cholera and pertussis are enzymes that catalyze transfer of the ADP ribose moiety.

TLS Online TPP Program

#Id: 1336

#Unit 4. Cell Communication and Cell Signaling

RTK ligands- NGF, PDGF, FGF, EGF