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What Happens When the GTPase Activity of a G Protein α\alpha

Question 5

Multiple Choice

What happens when the GTPase activity of a G protein is blocked?


A) the α\alpha subunit associates only with the β\beta subunit, not the γ\gamma subunit
B) GTP cyclizes to cGMP
C) binding to GAP occurs with very high affinity
D) adenylate cyclase remains active
E) none of the above

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