1
Q
acetylcholine receptor
A
ligand-triggered ion channel
2
Q
insulin
A
ligand-triggered protein kinase
3
Q
epidermal growth factor
A
ligand-triggered protein kinase
4
Q
epinephrine
A
G protein coupled receptor
5
Q
serotonin
A
G protein coupled receptor
6
Q
steroid hormone
A
cytoplasmic receptor -> nucleus -> transcription factor
7
Q
thyroid hormone
A
nuclear receptor -> transcription factor
8
Q
thromboxane A2
A
G protein coupled receptor -> PIP/DAG -> Ca
