Podcast
Questions and Answers
What type of receptors work with G proteins to transmit signals across the plasma membrane?
What type of receptors work with G proteins to transmit signals across the plasma membrane?
- Ion channel receptors
- Steroid receptors
- Receptor tyrosine kinases
- G protein-coupled receptors (correct)
What happens to a G protein when GDP is bound to it?
What happens to a G protein when GDP is bound to it?
- The G protein acts as an on switch
- The G protein is inactive (correct)
- The G protein becomes a receptor
- The G protein is activated
Which of the following is the largest family of membrane receptors?
Which of the following is the largest family of membrane receptors?
- Ion channel receptors
- Nuclear receptors
- Receptor tyrosine kinases
- G protein-coupled receptors (correct)
Which receptor type spans the plasma membrane and is involved in binding water-soluble signal molecules?
Which receptor type spans the plasma membrane and is involved in binding water-soluble signal molecules?
Which type of receptor is NOT classified as a membrane receptor?
Which type of receptor is NOT classified as a membrane receptor?
Flashcards
Membrane Receptors
Membrane Receptors
Proteins in the plasma membrane that bind to water-soluble signaling molecules.
G Protein-Coupled Receptors (GPCRs)
G Protein-Coupled Receptors (GPCRs)
Largest family of membrane receptors, using a G protein as a switch.
Receptor Tyrosine Kinases
Receptor Tyrosine Kinases
Membrane receptors that activate signal transduction.
Ion Channel Receptors
Ion Channel Receptors
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Inactive G protein
Inactive G protein
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