188k views
21 votes
When bound to GTP, the alpha subunit dissociates from the beta and gamma subunits, and the alpha subunit links up with another plasma membrane protein, either an ____________ or an enzyme, which are known as ____________ .

User Bgschiller
by
5.3k points

1 Answer

2 votes

Answer:

1) Ion channel

2) Plasma membrane effector proteins

Step-by-step explanation:

They link up with either an ion channel or an enzyme which are called "plasma membrane effector proteins" simply because they mediate the following steps in the sequence of events that lead to the response of the cell.

User Marcos Reboucas
by
5.1k points