Multiple Choice
Which statement about G proteins is true?
A) G proteins contain only one important binding site.
B) When a G protein binds to an activated receptor protein,ADP is exchanged for ATP.
C) G protein-linked receptors are transmembrane proteins.
D) G proteins usually float free in the cytoplasm.
E) G proteins signal only the cell from which they are secreted.
Correct Answer:

Verified
Correct Answer:
Verified
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