Diffusion and Osmosis

Front

What does permeable mean?

Back

Permeable means that things can pass through.

Front

Which way do water molecules move during osmosis?

Back

Water molecules move out of the cell, causing the cell to shrink.

Front

What happens to the cell wall and cell membrane in plant cells when they lose water?

Back

The cell wall stays the same, but the cell membrane shrinks.

Front

What are diffusion and osmosis examples of?

Back

Diffusion and osmosis are examples of passive transport.

Front

What happens to a cell in a hypertonic solution?

Back

The cell shrinks.

Front

What is diffusion?

Back

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

Osmosis is the diffusion of water molecules through a selectively permeable membrane.

Front

What is a selectively permeable membrane?

Back

A selectively permeable membrane allows certain substances to pass through while blocking others.

Front

What is the difference between active transport and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.

Front

What happens to a cell in a hypotonic solution?

Back

The cell swells as water moves into it.