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phospholipid
a protein that temporarilly adheres to the biological membrane
peripheral protein
thickenes up the mebrane
what are the two cell membrane jobs
helps protect the cell
selectivley premable (acts as the gate keeper)

cholesteral
help protect the cell sticky chain
carbohydrate
carbohydrate
sticky adress

channel protein
allows the transport of specific substances across the cell membrane (tunnel)
channel protein
hydrophilic heads
attract to water

carbohydrate
helps maintain the intergrity of membranes communication
cholesteral

peripheral protein
hydropholic heads on the surface and lipid tails on the inside
phospholipids