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what are the two lipids in the phospholipid bilayer?
the hydrophilic phosphate head
the hydrophobic fatty acid tail
what do the proteins in the cell membrane do?
-transport across the membrane (allowing certain sized molecules to go into or out of the cell)
-cell to cell communication
what can be attached to the proteins and help in cell communication?
carbohydrate chains
what are the functions of cholesterol in the cell membrane?
support
regulating fluidity
what is the consistency of the cell membrane?
olive oil
why is the cell membrane called the fluid mosaic model?
there are many pieces put together