Passive Transport Vocabulary Practice

Front

What is a solute?

Back

A substance that can be dissolved by a solvent to create a solution.

Front

What is a hypotonic solution?

Back

A solution that has a lower concentration of solutes compared to the inside of a cell, causing water to enter the cell.

Front

What happens to a cell in a hypertonic solution?

Back

Water leaves the cell, causing it to shrink.

Front

What is the cell membrane?

Back

The organelle that surrounds the outside of every cell, controlling what enters and exits.

Front

What is passive transport?

Back

The movement of substances across a cell membrane without the use of energy.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is an isotonic solution?

Back

A solution that has the same concentration of solutes as the inside of a cell, resulting in no net movement of water.

Front

Why is drinking salt water harmful?

Back

It is hypertonic to human cells, causing water to leave the cells and leading to dehydration.

Front

What is diffusion?

Back

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

Front

What role does the cell membrane play in passive transport?

Back

It selectively allows certain substances to pass through while blocking others.