diffusion, osmosis, and excretion

Front

During osmosis

Back

water moves from high to low concentration

Front

What regulates what enters and leaves a cell?

Back

Cell Membrane

Front

Osmosis is

Back

diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration

Front

What is diffusion?

Back

when molecules move from a high concentration to a low.

Front

What happens to an animal cell placed in a hypertonic (salty) solution?

Back

Shrink- get smaller

Front

Selective Permeability

Back

The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.

Front

Why should a person never drink salty water?

Back

Their cells would shrink.

Front

If there is 5 percent water inside a cell and 5 percent water outside a cell.

Back

There will be no movement of water cells.

Front

Where is there a low concentration of dye?

Back

at the bottom of cup

Front

Passive transport requires no

Back

energy