Dispersing molecules from higher to lower masses.
Water molecules moving through a cell membrane.
Transporting substances through the cell membrane with the use of energy.
Transporting substances through the cell membrane without the use of energy.
When the cell membrane creates a vacuole to surround a molecule and bring it in.
When a vacuole and cell membrane bond and open to release the vacuole's contents.
Examples of passive transport
Examples of active transport