Cell Transport

Front

What does selectively-permeable mean?

Back

Allow certain things to enter and leave the cell.

Front

When the smell of perfume spreads throughout a room, it is an example of ....

Back

Diffusion.

Front

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

Back

Diffusion.

Front

What does 'high concentration area' mean?

Back

Tightly packed together.

Front

Active transport requires:

Back

Energy.

Front

What is passive transport?

Back

Movement of substances across a cell membrane without the use of energy.

Front

Define osmosis.

Back

The diffusion of water across a selectively permeable membrane.

Front

What is a concentration gradient?

Back

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

Front

What is the difference between active and passive transport?

Back

Active transport requires energy; passive transport does not.

Front

What does hypertonic mean?

Back

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