What Causes the Inactivation of a G Protein

question 29

Multiple Choice

What causes the inactivation of a G protein?

• A)The alpha subunit catalyzes the hydrolysis of GTP to GDP and inorganic phosphate.
• B)The beta and gamma subunits trigger the hydrolysis of GTP to GDP.
• C)A phosphatase removes the inorganic phosphate group from GTP.
• D)The inactive receptor catalyzes the replacement of GTP by GDP.

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Definitions:

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Adjustment Agreement

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