What Would Happen to Metabotropic Signaling in a Cell If

Multiple Choice

What would happen to metabotropic signaling in a cell if you added GTP-γ-s to the cell cytoplasm?

A) This would irreversibly activate all G protein-coupled metabotropic signaling.
B) This would irreversibly inhibit all G protein-coupled metabotropic signaling.
C) This would have no effect on G protein-coupled metabotropic signaling.
D) This would irreversibly activate G protein-coupled metabotropic signaling mediated by only G_i and G_o.
E) This would irreversibly inhibit G protein-coupled metabotropic signaling mediated by only G_i and G_o.