The cell membrane Flashcards
1
Q
The cell membrane is made out of…
A
Phospholipids
2
Q
What happens in simple diffusion?
A
Oxygen or carbon dioxide passes into our out of the cell through the phospholipid bilayer. No energy is required.
3
Q
What happens in facilitated diffusion?
A
Glucose passes through the channel protein. No energy is required.
4
Q
What happens in osmosis?
A
water passes through aquaporin.
energy is not required.
It is dependent on the salt/sugar concentrations of a cell/
