Webunderstand the fluid mosaic model of membranes. Movement of molecules from an area of higher concentration to an area of. Webstudy with quizlet and memorize flashcards containing terms like cell membrane, phospholipid bilayer, 4 components of cell membrane and more.

Describe the functions of phospholipids, proteins, and carbohydrates in membranes. A cell structure that controls which substances can enter or leave the cell. A cell’s plasma membrane defines the.