Podcast
Questions and Answers
Which type of ion channels open and close depending on changes in the cell membrane?
Which type of ion channels open and close depending on changes in the cell membrane?
- Voltage gated channels (correct)
- Mechanically gated channels
- Phosphorylation gated channels
- Ligand gated channels
What determines the ion selectivity of an ion channel?
What determines the ion selectivity of an ion channel?
- The functional states of the channel
- The type of ions present in the cell membrane
- The number of protein molecules in the channel
- The diameter of the pore (correct)
Which functional state of an ion channel is associated with the resting membrane potential?
Which functional state of an ion channel is associated with the resting membrane potential?
- Closed and activatable (correct)
- Open
- Closed and non-activatable
- All of the above
What contributes to the resting membrane potential?
What contributes to the resting membrane potential?
What is the typical value of the resting membrane potential?
What is the typical value of the resting membrane potential?
What is depolarization of the membrane potential?
What is depolarization of the membrane potential?
What is hyperpolarization of the membrane potential?
What is hyperpolarization of the membrane potential?