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

question 46

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

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