When the magnitude of the generator potential reaches about 10 mV, an action potential is produced at the first node of Ranvier.

TLS Online TPP Program

#Id: 10433

#Unit 4. Cell Communication and Cell Signaling

Carcinogens can be classified into two categories: 

1. Direct-acting carcinogens

2. Indirect-acting carcinogens

TLS Online TPP Program

#Id: 1104

#Unit 2. Cellular Organization

Transmembrane domain with the binding sites for transported ligand.

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: 10559

#Unit 4. Cell Communication and Cell Signaling

In cells lacking functional caspase-8 or FADD, TNFα

triggers an alternative pathway, necroptosis.

TLS Online TPP Program

#Id: 1432

#Unit 4. Cell Communication and Cell Signaling

Hemidesmosomes are integrin-containing anchoring junctions that attach cells to elements of the underlying extracellular matrix.