Osmosis and Diffusion

Front

What is diffusion?

Back

Diffusion is the movement of particles from a region of high concentration to a region of low concentration until equilibrium is reached.

Front

How do particles move in diffusion?

Back

Particles move from a region of high concentration to a region of low concentration.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from a region of low solute concentration to a region of high solute concentration.

Front

What is the difference between diffusion and osmosis?

Back

Diffusion refers to the movement of solute particles, while osmosis specifically refers to the movement of water.

Front

What is passive transport?

Back

Passive transport is the movement of substances across a cell membrane without the use of energy.

Front

What is active transport?

Back

Active transport is the movement of substances against their concentration gradient, requiring energy.

Front

What is a concentration gradient?

Back

A concentration gradient is the difference in the concentration of a substance between two areas.

Front

What happens to particles during diffusion over time?

Back

Particles continue to move until the concentration of particles is equal in both areas.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is the process of passive transport of molecules across a cell membrane via specific transmembrane integral proteins.

Front

What role does energy play in diffusion?

Back

Diffusion does not require energy; it occurs naturally due to the kinetic energy of particles.