This is the British English definition of vague. View American English definition of vague. Change your default dictionary to American English. View the pronunciation for vague.
Fluid-mosaic model. 1  Plasma membrane consists of a phospholipid bilayer studded with proteins, polysaccharides, lipids. 2  The lipid bilayer is semipermeable Regulates passage of substances into and out of the cell. H2O and some small, uncharged, molecules (O2, CO2) can pass through.
Allows oxygen and nutrients to enter the cell. Allows waste products to pass out of the cell. ---------------------------------------------------. Each organelle inside a eukaryotic cell (plant and animal) is also surrounded by a membrane to control what enters and leaves its organelle.