Receptors

Question 1

What are the ligand-gated ion channel superfamilies? Give an example of each

Answer 1

1) nicotinic like - nACh, 5-HT3
2) ATP receptors - PX2
3) ionotropic glutamate - NMDA

Question 2

What are the 3 families of G-Protein Coupled Receptors? Give an example of each

Answer 2

1) Rhodopsin-like: mACh, NA, DA
2) metabolic glutamate receptor-like: GABAb
3) secretin receptor-like: parathyroid hormone

Question 3

are the pores of ionotropic receptors lined with the same charges as the ion or opposite charges?

Answer 3

opposite

Question 4

how many transmembrane domains do ligand-gated ion channels usually have

Answer 4

4/5