Cell Motion
Diffusion Molecules moving from high concentration to low concentration.
Osmosis Diffusion across a membrane
Active Transport Movement of small molecules across a membrane using a carrier molecule going from low to high concentration. Uses energy
http://www.youtube.com/watch?v=STzOiRqzzL4
Passive Transport Movement of small molecules across a membrane using a carrier molecule going from high to low concentration.
http://video. easybranches http://video.easybranches.com/video/1ZFqOvxXg9M/Passive-Active-Transport.html
Endocytosis Large particles moving INTO the cell
Exocytosis Large particles moving out of the cell
http://goanimate.com/movie/0uh5R2hU_U3Y/1?utm_source=gigyabookmark