Cell Membrane, Diffusion and Osmosis

Front

What is a solute?

Back

A substance dissolved in another substance.

Front

What are the two parts of a phospholipid called?

Back

Hydrophilic Head and Hydrophobic Tail.

Front

What type of movement has channels that help large molecules move through the cell membrane?

Back

Facilitated diffusion.

Front

Which type of movement requires energy?

Back

Active transport.

Front

What is a hypertonic solution?

Back

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

Front

What is a hypotonic solution?

Back

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

Front

What is an isotonic solution?

Back

A solution with the same concentration of solutes as another solution.

Front

What is diffusion?

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is the role of the cell membrane?

Back

To protect the cell and regulate what enters and exits.