Unit 6 Review

Front

What happens to potato cells when placed in salt water?

Back

The cells will shrink because water leaves the cells due to higher salt concentration outside.

Front

What is diffusion?

Back

Diffusion is the process where particles spread from an area of high concentration to an area of low concentration.

Front

What is the function of the nucleus in a cell?

Back

The nucleus regulates or directs cell activities.

Front

Which organelle is found only in plant cells?

Back

Chloroplasts are found only in plant cells.

Front

What happens to an egg placed in vinegar?

Back

The egg will increase in mass due to water traveling into the egg by osmosis.

Front

What is osmosis?

Back

Osmosis is the movement of water across a semi-permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What is the role of mitochondria in a cell?

Back

Mitochondria produce energy for the cell.

Front

What is active transport?

Back

Active transport is the movement of substances across a cell membrane against their concentration gradient, requiring energy.

Front

What is the cell membrane's function?

Back

The cell membrane controls what enters and exits the cell.

Front

What is the difference between diffusion and osmosis?

Back

Diffusion involves the movement of all types of particles, while osmosis specifically refers to the movement of water.