GPCRs I, II, III Flashcards
What is the function of AKAPs?
A. Restrict PKA signaling to specific compartments
B. Act as transcription factors that are targets of PKA
C. Stimulate breakdown of cAMP to AMP
A
What is the function of CREBs?
A. Restrict PKA signaling to specific compartments
B. Act as transcription factors that are targets of PKA
C. Stimulate breakdown of cAMP to AMP
B
What is the function of phosphodiesterases?
A. Restrict PKA signaling to specific compartments
B. Act as transcription factors that are targets of PKA
C. Stimulate breakdown of cAMP to AMP
C
Golf is a G-protein that functions to:
A. Trigger cAMP-dependent cation channels in olfactory neurons
B. Regulate Na+ channels via decreases in cGMP action in photoreceptor cells
C. Regulate Ca2+ channels via increases in cGMP action in photoreceptor cells
D. Activate adenylyl cyclase to stimulate production of cAMP from ATP
E. Inhibit adenylyl cycclase to repress production of cAMP from ATP
A
Gt is a G-protein that functions to:
A. Trigger cAMP-dependent cation channels in olfactory neurons
B. Regulate Na+ channels via decreases in cGMP action in photoreceptor cells
C. Regulate Ca2+ channels via increases in cGMP action in photoreceptor cells
D. Activate adenylyl cyclase to stimulate production of cAMP from ATP
E. Inhibit adenylyl cyclase to repress production of cAMP from ATP
B
Gi is a G-protein that functions to:
A. Trigger cAMP-dependent cation channels in olfactory neurons
B. Regulate Na+ channels via decreases in cGMP action in photoreceptor cells
C. Regulate Ca2+ channels via increases in cGMP action in photoreceptor cells
D. Activate adenylyl cyclase to stimulate production of cAMP from ATP
E. Inhibit adenylyl cyclase to repress production of cAMP from ATP
E
Gs is a G-protein that functions to:
A. Trigger cAMP-dependent cation channels in olfactory neurons
B. Regulate Na+ channels via decreases in cGMP action in photoreceptor cells
C. Regulate Ca2+ channels via increases in cGMP action in photoreceptor cells
D. Activate adenylyl cyclase to stimulate production of cAMP from ATP
E. Inhibit adenylyl cyclase to repress production of cAMP from ATP
D
Gq is a G-protein that functions to:
A. Trigger cAMP-dependent cation channels in olfactory neurons
B. Regulate Na+ channels via decreases in cGMP action in photoreceptor cells
C. Activate Phospholipase C to mediate PIP2 action in IP3 and DAG production
D. Activate adenylyl cyclase to stimulate production of cAMP from ATP
E. Inhibit adenylyl cycclase to repress production of cAMP from ATP
C
Adrenergic receptors belong to which family of GPCRs?
A. Rhodopsin-like
B. Secretin-like
C. Glutamate-like
A
GABAB receptors belong to which family of GPCRs?
A. Rhodopsin-like
B. Secretin-like
C. Glutamate-like
C
Hormone receptors belong to which family of GPCRs?
A. Rhodopsin-like
B. Secretin-like
C. Glutamate-like
B
