To transport particles in and out of the membrane. It does this by active transport, passive transport (channels, diffusion, osmosis, etc.), and exp/endocytosis.
It has many functions. 1. keeping the cell together - with all the organelles and such. 2. To help protect the inside from intruders. 3. Help things outside of the cell to go inside the cell and vice...
Lipids are insoluable, fatty materials the cell can either use to construct membranes from or use as a source of energy in the form of fat. Cell membranes are double sheets of phospholipids. The...
it depends on what you are referring to. the lipid bilayer is exactly what it says.
it is two layers compsed of lipids. lipid molecules have two properties: a hydophobi tail and a hydrophilic head....