Exchange with the Environment

Match it! Select the correct answer from the pull down...Good luck!

The movement of particles from regions of higher density to regions of lower density.

The movement of water through a membrane.

The sac formed around a large particle to allow a cell to take in or remove the particle.

The process by which a cell membrane surrounds and encloses a large partricle to bring it into the cell.

Osmosis is important to cells because

The process by which a cell get rid of large particles.

ATP refers to

The movement of substances through a cell membrane without the use of cell energy.