Transcript Powerpoint Presentation: Biological Membranes

Biological membranes
Selective barriers to
movement
© 2010 Paul Billiet ODWS
Fatty acids
Water
R.N.Robertson (1983) The lively membranes Cambridge UP
Phospholipids
Hydrophilic
Hydrophobic
R.N.Robertson (1983) The lively membranes Cambridge UP
Phospholipid bilayer
Extra cellular fluid
Hydrophobic
zone
Cytoplasm
R.N.Robertson (1983) The lively membranes Cambridge UP
The fluid mozaic model
Integral protein
Non-polar amino acids
Polar amino acids
Peripheral proteins
R.N.Robertson (1983) The lively membranes Cambridge UP
Cholesterol
R.N.Robertson (1983) The lively membranes Cambridge UP
Cholesterol thickens
membranes
R.N.Robertson (1983) The lively membranes Cambridge UP