Vocabulary - Cell Transport active transport carrier protein channel protein cholesterol concentration gradient crenation diffusion endocytosis exocytosis facilitated diffusion facilitated transport fluid-mosaic membrane model glycolipid glycoprotein hydrophylic hydrophobic hydrostatic pressure hypertonic hypotonic isotonic lysis osmosis osmotic pressure passive transport processes permeable plasma membrane phagocytosis phospholipid bilayer pinocytosis plasmolysis pressure gradient protein selectively permeable solute solvent surface area – to – volume ratio tonicity turgor