Diffusion and Osmosis flashcard

Front

What is diffusion?

Back

Diffusion is the movement of particles from an area of high concentration to an area of low concentration until equilibrium is reached.

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What are the two types of passive transport?

Back

Diffusion and osmosis.

Front

What happens to particles during diffusion?

Back

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

Front

What is an isotonic solution?

Back

An isotonic solution is one where the concentration of solutes is equal inside and outside the cell, causing the cell to appear normal.

Front

What is a hypotonic solution?

Back

A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, leading to water moving into the cell.

Front

What is a hypertonic solution?

Back

A hypertonic solution has a higher concentration of solutes compared to the inside of the cell, causing water to move out of the cell.

Front

What is the outcome of diffusion?

Back

Diffusion continues until the concentration of particles is equal throughout the system.

Front

What occurs in a cell placed in a hypotonic solution?

Back

The cell swells as water enters due to the lower concentration of solutes outside the cell.

Front

What occurs in a cell placed in a hypertonic solution?

Back

The cell shrinks as water exits due to the higher concentration of solutes outside the cell.