 
			 
			MCQOPTIONS
 Saved Bookmarks
				| 1. | The receptor channels for which of the following are gated by extracellular ligands? | 
| A. | Glycine | 
| B. | IP<sub>3</sub> | 
| C. | cAMP | 
| D. | cGMP | 
| Answer» B. IP<sub>3</sub> | |