Osmosis and Diffusion

Front

Define Osmosis:

Back

the movement of water molecule across a semi-permeable membrane from a region of high water concentration to a region of low water concentration

Front

Active transport requires energy because...

Back

The cell is moving something against a concentration gradient.

Front

Lettuce in cool water becomes crisp. Explanation?

Back

Water moved into the lettuce cells by osmosis.

Front

Regulates what enters and leaves a cell.

Back

Cell Membrane

Front

Where will the water go?

Back

Out of the cell.

Front

Cells should be in a(n) _______ solution

Back

Isotonic

Front

Cell in a _________ solution.

Back

Hypertonic

Front

Definition of Selective Permeability?

Back

Ability of the cell membrane to allow some things to pass while blocking others.

Front

Active transport requires energy because...

Back

The cell moves something against a concentration gradient.

Front

Diffusion and Osmosis are examples of...

Back

Passive Transport