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A Mutation That Causes a G-Protein to Lose Its Ability $\beta$

Question 2

Multiple Choice

A mutation that causes a G-protein to lose its ability to hydrolyze bound GTP would be expected to have constitutively

A) inactive $\beta$ $\gamma$ subunits.
B) bound $\alpha$ $\beta$ $\gamma$ subunits.
C) active $\alpha$ subunits.
D) inactive $\alpha$ subunits.

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