Resting membrane potential (Principles revision) Flashcards Preview

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Flashcards in Resting membrane potential (Principles revision) Deck (10)
1

In the cell membrane itself charged or uncharged?

Uncharged

2

What is Em?

The difference in charge between the ECF and ICF located on either sides of the cell membrane

3

Is there more sodium in the ECF or ICF?

ECF

4

Is there more pottasium in the ECF or ICF?

ICF

5

At resting membrane potential in the cell membrane more permeable to pottasium or sodium?

Pottassium

6

Is K+ attracted to the positively or negatively charged side of the cell membrane?

Negative

7

Is Na+ attracted to the positively or negatively charged side of the cell membrane?

Negative

8

In terms of concentration gradient, does K+ want to move out of or into the cell?

Outward

9

In terms of concentration gradient, does Na+ want to move out of or into the cell?

Into

10

In the plasma membrane permeable or impermeable to large negatively charged intracellular proteins?

Impermeable