Diffusion and Osmosis Review

Front

What regulates what enters and leaves a cell?

Back

Cell Membrane

Front

What is the substance being dissolved in a solution?

Back

Solute

Front

Osmosis is the movement of _____ across a membrane.

Back

Water

Front

Which cell structure is responsible for maintaining homeostasis by allowing materials in and out of the cell?

Back

Cell Membrane

Front

What does semi-permeable mean?

Back

Some things can pass through, other things can't.

Front

What is the primary function of the cell membrane?

Back

To control the movement of substances in and out of the cell.

Front

Define diffusion.

Back

The process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What is a solvent?

Back

The substance in which a solute is dissolved.

Front

What is the difference between osmosis and diffusion?

Back

Osmosis specifically refers to the movement of water, while diffusion refers to the movement of any type of molecules.

Front

What does it mean for a membrane to be selectively permeable?

Back

It allows certain substances to pass while blocking others.