Podcast
Questions and Answers
What type of proteins play a critical role in immune defenses and primarily signal through receptors linked to JAK kinases?
What type of proteins play a critical role in immune defenses and primarily signal through receptors linked to JAK kinases?
- Cytokines (correct)
- G Protein-Coupled Receptors
- Ion Channels
- Enzymes
Which subunit of G proteins can bind both GDP and GTP?
Which subunit of G proteins can bind both GDP and GTP?
- Delta subunit
- Alpha subunit (correct)
- Gamma subunit
- Beta subunit
What happens to the alpha subunit of a G protein when it binds to GTP?
What happens to the alpha subunit of a G protein when it binds to GTP?
- It links up with an enzyme
- It becomes inactive
- It dissociates from the beta and gamma subunits (correct)
- It binds to the receptor
What is the function of beta and gamma subunits in G proteins?
What is the function of beta and gamma subunits in G proteins?
Which proteins are termed plasma membrane effector proteins for their role in mediating cell responses?
Which proteins are termed plasma membrane effector proteins for their role in mediating cell responses?
What happens to the activated alpha subunit of a G protein after dissociating from beta and gamma subunits?
What happens to the activated alpha subunit of a G protein after dissociating from beta and gamma subunits?
Which proteins are associated with receptors in signaling pathways involving multiple distinct members like G proteins?
Which proteins are associated with receptors in signaling pathways involving multiple distinct members like G proteins?
What happens to the affinity of the alpha subunit of a G protein when the receptor is activated?
What happens to the affinity of the alpha subunit of a G protein when the receptor is activated?
What is the name given to the family of heterotrimeric proteins located on the cytosolic surface of the plasma membrane associated with G-Protein-Coupled Receptors?
What is the name given to the family of heterotrimeric proteins located on the cytosolic surface of the plasma membrane associated with G-Protein-Coupled Receptors?
What proteins play a critical role in immune defenses and signal via receptors linked to JAK kinases?
What proteins play a critical role in immune defenses and signal via receptors linked to JAK kinases?
