molecules that make the membrane fluid
enzymes, receptors, transporters
3 roles of membrane proteins
role of carbohydrates attached to some proteins
cholesterol; keep membrane fluid
molecules that are buried in the membrane; only found in animal cell membranes
holds cell's contents together, identifies the cell, controls what enters/leaves the cell
3 roles of the plasma membrane
movement across the cell membrane that does not require energy from the cell
difference in the concentration of a substance across a space
a condition in which the concentration of a substance is equal throughout the space
the movement of a substance from an area of high concentration to an area of lower concentration caused by the random motion of particles of the substance
the diffusion of water through a selectively permeable membrane
a solution that causes a cell to shrink due to osmosis
a solution that causes a cell to swell because of osmosis
a solution that produces no change in cell volume because of osmosis
a transport protein with a polar pore through which ions can pass
a protein that actively transports sodium ions and potassium ions against their concentration gradient
the transport of a substance across the cell membrane against its concentration gradient
the movement of a substance into a cell by a vesicle
the movement of a substance by a vesicle to the outside of a cell
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.