Question: Which of the following events normally activates a GTP-binding protein? a).GTP hydrolysis by the …

Which of the following events normally activates a GTP-binding
protein?

a).GTP hydrolysis by the protein Activation of an upstream
GTPase-activating protein

b).Activation of an upstream guanine nucleotide exchange
factor

c). Phosphorylation of a bound GDP molecule by an upstream
phosphorylase

d). Pi release after GTP hydrolysis