Chapter 6 Key Terms

• p. 116: plasma membrane, plasmalemma (plural, plasmalemmata), phospholipids
  
• p. 118: lipid bilayer, transmembrane proteins
  
• p. 119: spectrin, glycocalyx
  
• p. 122: beta-barrel, porins
  
• p. 126: diffusion, equilibrium (plural, equilibria), aqueous solution, solvent, solutes, concentration gradient, osmosis
  
• p. 127: osmotic concentration, hyperosmotic, hypoosmotic, isosmotic
  
• p. 128: hydrostatic pressure, osmotic pressure
  
• p. 129: extrusion, contractile vacuoles, tugor pressure, endocytosis, phagocytosis, pinocytosis receptor-mediated endocytosis, clathrin, clathrin-coated pits, fluid-phase endocytosis, exocytosis, channels, carriers, selectively permeable, cations, anions, ion channels
  
• p. 133: facilitated diffusion, active transport
  
• p. 134: sodium-potassium pump, adenosine triphosphate (ATP)
  
• p. 137: cotransport, countertransport, proton pump
  
• p. 138: chemiosmosis