membranes and membrane transport Flashcards
1
Q
plasma membrane
A
Aka cell membrane - is what separates the interior of a cell to the exterior
2
Q
fluid mosaic model
A
describes structure of the plasma membrane
3
Q
phospolipid bilayer
A
Amphipathic - polar head and non polar tails.
4
Q
what is found in the fluid mosaic model
A
- Phospolipid bilayer
- Cholesterol
- Proteins (integral/peripheral)
- Glycolipids/ glycoproteins.
5
Q
cholesterol
A
regulates the fludility of the membrane
6
Q
integral protein
A
diverse funtions
7
Q
peripheral protein
A
diverse functions
8
Q
glycoproteins
A
cell recognition and adhesion. Carbohydrate attached to a protein.
9
Q
glycolipids
A
carbohydrate attached to a lipid. Cell recognition and adehsion
10
Q
vesicles
A
Small sac filled with fluid. Constantly rebuilt by inserting new membrane from vesicles and pinching of membrane as vesciles.