A Water-Soluble Hormone Binds to Its Receptor on the Plasma

Multiple Choice

A water-soluble hormone binds to its receptor on the plasma membrane.Arrange the events that follow in correct sequence. (1) alpha subunit-GTP complex alters cell activity
(2) GTP binds to the alpha subunit replacing GDP
(3) G-protein subunits separate from the receptor
(4) alpha subunit separates from other two subunits
(5) G-protein subunits bind to the receptor

A) 5,2,3,4,1
B) 4,2,1,3,5
C) 5,2,1,4,3
D) 5,4,2,1,3
E) 3,4,1,2,5