A Mutation Renders a Gαq Subunit Constitutively Active (Also Known

question 5

Multiple Choice

A mutation renders a Gαq subunit constitutively active (also known as dominant active) .Which of the following effects might you observe in a cell with this mutation?

• A)PIP2 levels in the cell membrane diminish
• B)PKC activity decreases
• C)IP3 is sequestered at the membrane
• D)beta/gamma subunits are less active

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