cellular transport Flashcards
materials inside the cell are called ____
intracellular
materials outside the cell are called ____
extracellular
what are the 2 regions of the phospholipid ?
polar and nonpolar
the cell membrane has ____ permeability
selective
if material can not get through the cell membrane directly, it must go through a ___
channel
what is an example pf passive membrane transport ?
osmosis, diffusion, facilitated diffusion
does facilitated diffusion require ATP ?
no
does active transport require ATP ?
yes
in diffusion, substances go through a ____ to ____ concentration gradient
high to low
if something is lipid soluble, this means it ____
goes straight through
the solute ____
gets dissolved
the solvent ____
does the dissolving
osmosis is the diffusion of water from ____ to ____ concentration
high to low
hypotonic means
low solute
isotonic means
same solute
hypertonic means
high solute
facilitated diffusion means water going ____ the gradient
with
is there use of ATP with facilitated transport ?
no
lipid soluble substances only pass through the ____
phospholipid
leak channels do what ?
constantly allow ions to pass through
active transport means we go ____ the gradient
against
in active transport, we go from ___ concentration to ___ concentration
low to high
endocytosis brings material ____ the cell
into
