movement of molecules from a high concentration to low concentration with out the use of energy.
movement of molecules from a high concentration to a low concentration though a membrane.
the diffusion of water.
molecules of substances will continue to move from one area to another until a number of molecules is equal in the two areas
movement of molecules from a low to high concentration with the use of energy.
the process of a cell taking in a substance by surrounding it with the cell membrane.
the process of a cell releasing waste.
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 above 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.