With regards to the different types of receptors: W. An example of a ligand-gated ion channel is the muscarinic ACh rece

[answerhappygod]

With regards to the different types of receptors:
W. An example of a ligand-gated ion channel is the
muscarinic ACh receptor
X. All receptors are located inside
the cell
Y. An example of a G-protein coupled receptor is the
GABA A receptor
Z. Activation of nuclear receptors results in effects that
occur over hours
a.
only W, X and Y are correct
b.
only W and Y are correct
c.
only X and Z are correct
d.
only Z is correct
e.
all are correct