what-role-does-beta-adrenergic-receptor-kinase-beta-arc-play-in-signal-transduct

Question

What role does beta adrenergic receptor kinase (beta arc) play in signal transduction adaptation?

Accepted Answer

It phosphorylates the epinephrine receptor, leading to its inactivation.

Answer

It dephosphorylates the epinephrine receptor, leading to its activation.

Answer

It degrades the epinephrine receptor, terminating the signal.

Answer

It binds directly to epinephrine, enhancing receptor activity.