passive and active transport

Front

In passive transport, molecules move from an area of __________ concentration to an area of __________ concentration.

Back

high, low

Front

The diffusion of water across a membrane is called __________.

Back

osmosis

Front

If a cell is placed in a hypertonic solution, what will happen?

Back

Water will move out of the cell causing it to shrink.

Front

What is diffusion?

Back

When molecules move from a high concentration to a low.

Front

Where is there a low concentration of dye?

Back

At the bottom of the cup.

Front

What is active transport?

Back

The movement of molecules against a concentration gradient, requiring energy.

Front

What is a concentration gradient?

Back

The difference in concentration of a substance across a space.

Front

What happens during osmosis?

Back

Water molecules move from an area of low solute concentration to an area of high solute concentration.

Front

What is a hypotonic solution?

Back

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

Front

What is a hypertonic solution?

Back

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