Diffusion & Osmosis

Front

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

Back

Equilibrium

Front

What happens to a person's cells if they receive pure water in their veins?

Back

The cells would expand.

Front

What is osmosis?

Back

Osmosis is the movement of water across a membrane.

Front

During osmosis, water moves from areas of _____ concentration to areas of _____ concentration.

Back

high; low

Front

Why should a person never drink salty water?

Back

Because their cells would shrink.

Front

Define diffusion.

Back

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

Front

What is the main difference between diffusion and osmosis?

Back

Diffusion involves all types of particles, while osmosis specifically involves water.

Front

What is a semi-permeable membrane?

Back

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

Front

What is the effect of placing a plant cell in a hypertonic solution?

Back

The plant cell will lose water and become plasmolyzed.

Front

What is a hypotonic solution?

Back

A solution with a lower concentration of solutes compared to another solution.