pump ur epinephrine,,,,receptor question - drkap

[ArchivalUser]

Q .after binding with epinephrine , b-adrenargic receptors provide an activation of adenylate cyclase. what protein switches the signal transduction off.

ans A. Gs
B. Gi
C. Adenylate cyclase
D. membrane receptor

[ArchivalUser]

off or on? if ans is Gs?

[ArchivalUser]

Gs protein has a selfregulatory switch first it activates adenylate cyclase and thus signal transduction, later the signal transduction is off by same Gs. NOT Gi

[ArchivalUser]

thank you!