Generation & Regulation Of Memenrane Potential Flashcards
1
Q
What is membrane potential
A
The potential difference between the inside and outside of a cell
2
Q
What is membrane potential measured in
A
Millivolts
3
Q
Give examples where membrane potential is important
A
Synapse potential
Axonal action potential
4
Q
KEY TERMS
2
A
Depolarisation
Hyper polarisation
5
Q
Depolarisation
A
Decrease in size of membrane potential from normal value
Less negative
-70mV -> -50mV
6
Q
Hyperpolarisation
A
Increase in size of membrane potential from normal value
More negative
-70mV -> -90mV