Resting potential

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  • Created by: rhiannon
  • Created on: 15-10-13 19:42
What is the typical value for a resting potential?
-70mv
1 of 10
Membrane is said to be _________
Polarised
2 of 10
How are Sodium ions and potassium ions passed across the membrane?
by active transport via a sodium ion potassium ion pump
3 of 10
Sodium ions are transported ______ of the axon
Out
4 of 10
Potassium ions are transported _____ the axon
Into
5 of 10
How many sodium ions are pumped out and how many potassium ions are pumped in
3 sodium ions, 2 potassium ions
6 of 10
What does this create?
Uneven distribution of charge
7 of 10
Sodium ion channels ________
Close
8 of 10
Potassium ion channels ________
Open to allow potassium ions to diffuse out
9 of 10
Which is more positively charged, outside of the axon or inside?
Outside
10 of 10

Other cards in this set

Card 2

Front

Membrane is said to be _________

Back

Polarised

Card 3

Front

How are Sodium ions and potassium ions passed across the membrane?

Back

Preview of the front of card 3

Card 4

Front

Sodium ions are transported ______ of the axon

Back

Preview of the front of card 4

Card 5

Front

Potassium ions are transported _____ the axon

Back

Preview of the front of card 5
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