Diffusion and Osmosis Review

Front

What is the substance in which a solute is dissolved?

Back

Solvent

Front

What is the substance being dissolved in a solution?

Back

Solute

Front

What is diffusion?

Back

When molecules move from a high concentration to a low concentration.

Front

What does passive transport require?

Back

Passive transport requires no energy.

Front

What is the state called when both inside and outside of a cell have the same amount of water?

Back

Equilibrium

Front

What is osmosis?

Back

The movement of water molecules through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration.

Front

What is a concentration gradient?

Back

A difference in the concentration of a substance across a space.

Front

What is active transport?

Back

The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.

Front

What is a semi-permeable membrane?

Back

A membrane that allows certain molecules to pass through while blocking others.

Front

What happens to a cell in a hypertonic solution?

Back

The cell shrinks as water moves out of it.