2-4 Egg Osmosis Lab

Front

What is the special name for water crossing in and out of a cell?

Back

Osmosis

Front

What is the dependent variable in an experiment?

Back

The variable that is measured or observed in an experiment, in this case, the mass of the egg.

Front

What type of transport occurs when substances move across a cell membrane without the use of energy?

Back

Passive Transport

Front

What type of solution causes a cell to gain mass?

Back

Hypotonic solution.

Front

What causes the mass change in eggs during the osmosis lab?

Back

Water going into or out of the egg.

Front

Define osmosis in biological terms.

Back

The movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is a hypotonic solution?

Back

A solution that has a lower concentration of solutes compared to another solution, causing cells to swell.

Front

What is an isotonic solution?

Back

A solution that has the same concentration of solutes as another solution, resulting in no net movement of water.

Front

What is a hypertonic solution?

Back

A solution that has a higher concentration of solutes compared to another solution, causing cells to shrink.

Front

What is the role of the cell membrane in osmosis?

Back

The cell membrane is selectively permeable, allowing water to pass through while restricting the movement of solutes.