Cells & Cell Transport

Front

What is the basic unit of life?

Back

The cell is the basic unit of life.

Front

What is the cell theory?

Back

The cell theory states that all living things are made of cells, cells are the basic unit of life, and all cells come from other cells.

Front

Define passive transport.

Back

Passive transport is the movement of particles across a cell membrane without the use of energy, typically from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What happens to a cell in a hypotonic solution?

Back

In a hypotonic solution, water enters the cell, causing it to swell and potentially burst.

Front

What happens to a cell in a hypertonic solution?

Back

In a hypertonic solution, water leaves the cell, causing it to shrink.

Front

What is the role of the cell membrane?

Back

The cell membrane controls what enters and exits the cell, providing protection and support.

Front

Define active transport.

Back

Active transport is the movement of particles against a concentration gradient, requiring energy.

Front

What is a selectively permeable membrane?

Back

A selectively permeable membrane allows certain molecules to pass through while blocking others.

Front

What is diffusion?

Back

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