Additive effect of both allelic and non allelic. Quantitative characteristics include height, weight, intelligent and blood pressure in humans, growth rate in mice, seed weight in plants, and milk production in cattle.

TLS Online TPP Program

#Id: 9325

#Unit 4. Cell Communication and Cell Signaling

Each opsin molecule has multiple principal serine and threonine phosphorylation sites on its cytosol-facing C-terminal segment.

TLS Online TPP Program

#Id: 9326

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 9327

#Unit 4. Cell Communication and Cell Signaling

The binding of arrestin to rhodopsin speeds up the inactivation process.

TLS Online TPP Program

#Id: 9328

#Unit 4. Cell Communication and Cell Signaling

Arrestin binds tightly to rhodopsin only when rhodopsin kinase has phosphorylated a sufficient number of C-terminal serines and threonines.

TLS Online TPP Program

#Id: 9329

#Unit 4. Cell Communication and Cell Signaling

The entire process of rhodopsin phosphorylation and its inactivation by arrestin is fast completed within 50ms. 

TLS Online TPP Program

#Id: 9330

#Unit 4. Cell Communication and Cell Signaling

Phosphorylated rhodopsin is restored to its light-sensitive state (R) during dark adaptation by a specific rhodopsin phosphatase