Podcast
Questions and Answers
Which type of G protein activates adenylyl cyclase when certain ligands bind to specific GPCRs on the cell membrane?
Which type of G protein activates adenylyl cyclase when certain ligands bind to specific GPCRs on the cell membrane?
- Gq
- Gi
- G12
- Gs (correct)
When an agonist binds to a Gs-coupled receptor, what happens to the G protein?
When an agonist binds to a Gs-coupled receptor, what happens to the G protein?
- The G protein exchanges its bound GDP for a GTP molecule (correct)
- The G protein activates adenylyl cyclase
- The G protein dissociates from the beta-gamma subunits
- The G protein exchanges its bound GTP for a GDP molecule
Which subunit of the Gs protein dissociates from the beta-gamma subunits when activated?
Which subunit of the Gs protein dissociates from the beta-gamma subunits when activated?
- Gamma subunit (γ)
- Delta subunit (δ)
- Beta subunit (β)
- Alpha subunit (αs) (correct)
What is the main effect of the activated Gs protein on adenylyl cyclase?
What is the main effect of the activated Gs protein on adenylyl cyclase?
Which type of G protein inhibits adenylyl cyclase when certain ligands bind to specific GPCRs on the cell membrane?
Which type of G protein inhibits adenylyl cyclase when certain ligands bind to specific GPCRs on the cell membrane?
When an agonist binds to a Gi-coupled receptor, what happens to the G protein?
When an agonist binds to a Gi-coupled receptor, what happens to the G protein?
Which subunits of the Gi protein work together to inhibit adenylyl cyclase?
Which subunits of the Gi protein work together to inhibit adenylyl cyclase?
What is the main effect of the activated Gi protein on adenylyl cyclase?
What is the main effect of the activated Gi protein on adenylyl cyclase?
Which type of G protein activates phospholipase C when certain ligands bind to specific GPCRs on the cell membrane?
Which type of G protein activates phospholipase C when certain ligands bind to specific GPCRs on the cell membrane?
Which type of G protein is not mentioned in the provided text?
Which type of G protein is not mentioned in the provided text?
Flashcards are hidden until you start studying
