G Proteins Are Activated When GDP Is

question 11

Multiple Choice

G proteins are activated when GDP is

• A) phosphorylated to GTP while bound to the α-subunit.
• B) dephosphorylated to GDP while bound to the α-subunit.
• C) exchanged for the GTP that is bound to the α-subunit.
• D) exchanged for the GDP that is bound to the α-subunit.
• E) exchanged for the GDP that is bound to the βγ-subunit.

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