The resting potential of -70 mV is maintained by the membrane being more permeable to potassium ions than sodium ions, and by the sodium-potassium pump actively transporting sodium ions out and potassium ions in.
Leg uit hoe het rustpotentieel van –70 mV in de sensorische neuronen wordt gehandhaafd wanneer er geen druk wordt uitgeoefend (2 punten)
| Front | Explain how the resting potential of –70 mV is maintained in the sensory neurone when no pressure is applied ( 2 marks) |
|---|---|
| Back | 1. Membrane more permeable to potassium ions and less permeable to sodium ions; 2. Sodium ions actively transported/pumped out and potassium ions in; |
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