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
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Of the components of a heterotrimeric G
Q2: In trimeric G proteins,GTP binds to:<br>A)the α
Q3: GTPases serve in many signal transduction pathways
Q4: DAG activates:<br>A)PKC.<br>B)PKA.<br>C)PLC.<br>D)calmodulin.
Q6: In paracrine signaling,the signaling molecule:<br>A)acts on cells
Q7: What experimental approach was used to identify
Q8: Describe experimental evidence supporting that intrinsic GTPase
Q9: In muscle,glycogen phosphorylase kinase can be activated
Q10: A particular antagonist for an epinephrine-receptor protein
Q11: Which of the following is a common