1.3 Flashcards
1
Q
cell membrane is made up of?
A
proteins and phospholipids
2
Q
what molecules dissolve in the phospholipid and diffuse across the membrane?
A
lipid soluble molecules
3
Q
what must water soluble molecules pass through?
A
intrinsic protein
4
Q
rate of diffusion =?
A
SA X difference in concentration divided by length of diffusion path
5
Q
bulk transport IN ??
OUT??
A
in through endocytosis
and OUT through exocytosis