Metabotropic Receptor -Induced Gating of Ion Channels Requires More Time

Multiple Choice

Metabotropic receptor -induced gating of ion channels requires more time to occur because of which of the following?

A) Ion channels linked to metabotropic receptors must move to the membrane before gating.
B) Their gating is linked to a G protein.
C) The channels are slower to open.
D) Intracellular calcium must increase before those channels will open.
E) Metabolic byproducts are required to open those channels.