The Cell and Its Environment

Front

Diffusion & Facilitated Diffusion are both __________ transport.

Back

Passive

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

_______ regulates what enters and leaves a cell.

Back

Cell Membrane

Front

The picture below is an example of _________________ (choose from osmosis, isotonic, diffusion, active transport).

Back

Diffusion

Front

What is the function of the cell membrane?

Back

To regulate what enters and leaves the cell.

Front

What is osmosis?

Back

The movement of water molecules from a high concentration to a low concentration through a semi-permeable membrane.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy, while passive transport does not.

Front

What is a concentration gradient?

Back

A difference in the concentration of a substance across a space.

Front

What happens to a cell in a hypertonic solution?

Back

The cell shrinks as water moves out.