Podcast
Questions and Answers
What happens when a signaling molecule binds to an ion channel-linked receptor?
What happens when a signaling molecule binds to an ion channel-linked receptor?
- It triggers apoptosis
- It closes the ion channel pore
- It opens the ion channel pore (correct)
- It activates gene expression
What is the function of cell surface receptors?
What is the function of cell surface receptors?
- Breaking down DNA
- Receiving and transmitting signals (correct)
- Producing signaling molecules
- Regulating cellular temperature
Where are nuclear receptors located?
Where are nuclear receptors located?
- In the nucleus of the cell (correct)
- On the cell membrane
- In the cytoplasm of the cell
- In the endoplasmic reticulum
What activates the cyclic AMP (cAMP) pathway?
What activates the cyclic AMP (cAMP) pathway?
What is the role of adenylate cyclase in the cAMP pathway?
What is the role of adenylate cyclase in the cAMP pathway?
How is the cAMP pathway regulated?
How is the cAMP pathway regulated?
What does the cAMP pathway regulate?
What does the cAMP pathway regulate?
What is the location of cytoplasmic receptors?
What is the location of cytoplasmic receptors?
What is the function of phosphodiesterase in the cAMP pathway?
What is the function of phosphodiesterase in the cAMP pathway?
What happens when the activity of phosphodiesterase is high?
What happens when the activity of phosphodiesterase is high?
What is the role of protein kinase A (PKA) in the cAMP pathway?
What is the role of protein kinase A (PKA) in the cAMP pathway?
What is the main function of ion channel-linked receptors?
What is the main function of ion channel-linked receptors?
What is the process by which cells communicate with each other?
What is the process by which cells communicate with each other?
Which type of cell signaling can occur over short or long distances?
Which type of cell signaling can occur over short or long distances?
What are the molecules released by cells to communicate with other cells?
What are the molecules released by cells to communicate with other cells?
Where are receptors located for signaling molecules on the target cells?
Where are receptors located for signaling molecules on the target cells?
What is the most common type of cell surface receptor?
What is the most common type of cell surface receptor?
What type of proteins are G protein-coupled receptors (GPCRs)?
What type of proteins are G protein-coupled receptors (GPCRs)?
What activates the G protein in G protein-coupled receptor (GPCR) signaling?
What activates the G protein in G protein-coupled receptor (GPCR) signaling?
What type of domain do tyrosine kinase-linked receptors (TKs) have?
What type of domain do tyrosine kinase-linked receptors (TKs) have?
What is activated when a signaling molecule binds to a tyrosine kinase-linked receptor (TK)?
What is activated when a signaling molecule binds to a tyrosine kinase-linked receptor (TK)?
What do activated tyrosine kinase domains do in cell signaling?
What do activated tyrosine kinase domains do in cell signaling?
In which part of the cell are receptors located for signaling molecules?
In which part of the cell are receptors located for signaling molecules?
What are the molecules that bind to specific receptors on the surface of target cells?
What are the molecules that bind to specific receptors on the surface of target cells?
