Cells Part 4 (Cell Connections)

Front

Concentration

Back

The amount of a substance in a specific volume/space.

Front

Diffusion

Back

When molecules move from high concentration to low concentration.

Front

Equilibrium

Back

When molecules are equally spread out; equal amount on both sides of membrane.

Front

Selectively permeable

Back

Only some molecules are able to pass through.

Front

Osmosis

Back

The movement of WATER from a higher to lower concentration.

Front

Passive transport

Back

The movement of materials through a membrane without any input of energy.

Front

Cell membrane

Back

The selectively permeable membrane surrounding the cytoplasm of a cell.

Front

Membrane diffusion

Back

Oxygen, carbon dioxide, waste, nutrients and odors.