The ionotropic receptors can be divided into several superfamilies. members of the cys-loop superfamily have peptide subunits that have an n-terminal extracellular domain that contains a loop delimited by cysteine residues. this family includes the ionotropic receptors for the following a few of

I’m not really sure

Volcanoes make new rocks so not ahotspots are the the stuff that makes volcanoes mid atlantic ridge(mar cause i’m lazy) is a constructive plate boundary so it makes sense that new rocks would be found near it, also the mar is in the middle of the ocean so it fits the description deep ocean trench, umm, there’s no ocean trenches to where you’re goingso the mar is most likely the answeri wouldn’t trust me but hey why not