3.3 Vocab Flashcards
hypertonic
any solution that has a higher solute concentration relative to another solution
hypotonic
any solution that has a lower solute concentration relative to another solution
isotonic
a condition in which the solute concentrations on both sides of a plasma membrane are equal, which does not shrink or swell.
diffusion
osmosis
water moves across a membrane from low to high solute concentration
facilitated diffusion
a transmembrane protein provides a passageway for a substance to diffuse across a membrane.
fluid-mosaic membrane
active transport
moves a substance from an area of low concentration to one of a higher concentration with the aid of a transmembrane protein
channel
transporter
phospholipid bilayer