Diffusion & Osmosis

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

True or False: Osmosis only happens with water.

Back

True

Front

What is diffusion?

Back

Diffusion is the process where molecules move from an area of high concentration to an area of low concentration.

Front

What is equilibrium in the context of cells?

Back

Equilibrium is the state when the concentration of water inside and outside of a cell is equal.

Front

Where is there a low concentration of dye in a cup?

Back

At the bottom of the cup.

Front

True or False: A concentration gradient refers to an uneven distribution of molecules in a substance.

Back

True

Front

What is a semi-permeable membrane?

Back

A semi-permeable membrane is a barrier that allows certain molecules to pass through while blocking others.

Front

What happens to a cell in a hypertonic solution?

Back

In a hypertonic solution, water moves out of the cell, causing it to shrink.

Front

What happens to a cell in a hypotonic solution?

Back

In a hypotonic solution, water moves into the cell, causing it to swell and potentially burst.

Front

What is the role of concentration gradients in diffusion?

Back

Concentration gradients drive the movement of molecules from areas of high concentration to areas of low concentration.