Quiz 2 Flashcards
1
Q
Which of the following is true regarding the generation of a membrane potential?
A
Both Potassium and sodium ions can leak through the cell membrane due to diffusion.
2
Q
Calcium ions are stored in the cell
A
in both smooth and rough endoplasmic reticulum
3
Q
A red blood cell placed in pure water would
A
swell and burst
4
Q
Which of these is not a function of the plasma membrane
A
it prevents potassium ions from leaking out of the cell
5
Q
Which of the statements are true regarding diffusion?
A
The greater concentration of gradient, the fast the rate of diffusion
6
Q
The most common extracellular ion is
A
sodium
7
Q
The red blood cell would swell if its surrounding solution were
A
hypotonic