A Mutation That Knocks Out the GTPase Activity of a G

Multiple Choice

A mutation that knocks out the GTPase activity of a G protein would have what effect on a cell?

A) The concentration of available GTP would decrease.
B) The number of G proteins in the cell would increase.
C) The G protein would be inactivated by a G protein-coupled receptor/signal molecule complex.
D) The G protein would always be active.