A lipid with a phosphate group in its hydrophillic head. The main consituent of cell membranes.
Phospholipid
A double layer of phospholipids that makes up cell membranes
Phospholipid bilayer
A steroid that forms an essential component of animal cell membranes.
Cholesterol
The ability of membrane to let things in and out
Permiability
A model of cell membranes in which proteins are embedded in a phospholipid bilayer.
Fluid mozaic model (Singer-Nicholson)
A model of cell membranes in which phospholipid bilayer is cover in a layer of protein.
Davson-Danielli model
Having both a hydrophilic region and a hydrophobic region
Amphipathic
Water-loving"; polar molecules (or parts of molecules) that are soluble in water
Hydrophilic
Water-fearing"; nonpolar molecules (or parts of molecules) that do not dissolve in water.
Hydrophobic
A protein with one or more carbohydrates attached.
Glycoprotein