01 neurotransmitters 01

[TheSonyb90]

learn how first to spell dr.

[BishopAdamair]

Very good stuff and quite helpful for my A&P class to hear a different explanation. Thank you kindly good doctor. :)

[renhartung]

Thank you. I'll remember that.

[MidnightSkyline]

Both molecules of ACh have to be in place in order to rotate the receptor α subunits, thus moving apart the α-helix segments that keep the channel closed.