Plasma membrane Flashcards
what are the 7 things that the phospholipid bilayer has?
peripheral membrane proteins, integral membrane protein, protein channel, oligosaccharides, glycoprotein, glycolipid, cholesterol/sterols
plasma membrane functions
delineate, manage, receive, initiate, adhere
how are the integral membrane proteins and protein channels built?
philic, phobic, philic
oligosaccharide functions
receptor proteins
glycoprotein functions
protein with carbohydrate attached
glycolipid functions
lipid with carbohydrate attached
Cholesterol functions
in animals = structure, stability, movement
sterols functions
the cholesterol of plants
what affects membrane fluidity
- (Phospho)lipid type
- temp
- cholesterol
how does phospholipid type affect membrane fluidity?
needs flexibility but also shape
how does temp affect membrane fluidity
cold = compressed
hot= too spread out
how does cholesterol affect membrane fluidity
acts as a buffer in bilayer
warmer temp animals =
more saturated
colder temp animals -
more unsaturated
