Lecture 5.2 Flashcards
0
Q
Inside membrane is slightly ________
A
Negative
1
Q
An unequal distribution of charge across a cell membrane
A
Transmembrane potential
2
Q
Outside membrane is slightly _______
A
Positive
3
Q
Always open
There are many more __ leak channels
A
Leak channels
K+
4
Q
Maintains stable resting potential
A
Sodium potassium pump
5
Q
Three different gated channel classes
A
Chemical gated
Voltage-gated
Mechanically gated
6
Q
A two gated channel is
A
Voltage-gated
7
Q
Positively charged ions entering the cell cause_____
A
Depolarization
8
Q
Degree of depolarization decreases with distance from stimulation site is called_____
A
Decremental