Ras has an intrinsically slower rate of GTP hydrolysis, so Ras∙GTP requires the assistance of another protein, GAP.

TLS Online TPP Program

#Id: 5626

#Unit 7. System Physiology – Animal

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: 9680

#Unit 4. Cell Communication and Cell Signaling

A FOXO3a mutant in which the three serine residues that are targets for PKB are mutated to alanines is constitutively active

TLS Online TPP Program

#Id: 5036

#Unit 3. Fundamental Processes

The second component of the replicon model is the initiator protein.

This protein specifically recognizes a DNA element in the replicator and activates the initiation of replication

TLS Online TPP Program

#Id: 6033

#Unit 3. Fundamental Processes

Failure to remove a flap rapidly can have important consequences in regions of repeated sequences such as deletion and duplication

TLS Online TPP Program

#Id: 10011

#Unit 4. Cell Communication and Cell Signaling

Smo has seven TM α helices, is a member of the GPCR superfamily, and is related in sequence to the Fz.