The lipid bilayer of a cell allows for selective permeability. This means that only the substances that are allowed to get in and out can pass through the lipid layer.
The advantage of lipids is that they are not water soluble, so they will not dissolve and wash away.
lipids
phospolipids
Membranes surround cells. There are no cells found in membranes. Membranes are composed mostly of lipids.
A phospholipid bilayer
proteins and lipids
lipids
lipids?
Lipids. Naturally there are many different types.
Lipids :)
phospolipids
Membranes surround cells. There are no cells found in membranes. Membranes are composed mostly of lipids.
Phospholipids
A phospholipid bilayer
lipids
proteins and lipids
lipids
Proteins and lipids don't have cell membranes but are the molecules that make up the bulk of what a cell membrane is.