Passive and Active Transport

Front

What is the term for when both inside and outside of a cell have the same amount of water?

Back

Equilibrium

Front

In a solution of salt and water, what is the solvent?

Back

Water

Front

What type of transport does not require energy?

Back

Passive transport

Front

If a cell with 3% salt is placed in a solution with 7% salt, what is the solution called?

Back

Hypertonic

Front

What happens to a red blood cell in a hypotonic solution?

Back

It swells and bursts.

Front

What is osmosis?

Back

The movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

Define diffusion.

Back

The movement of molecules from an area of high concentration to an area of low concentration.

Front

What is a concentration gradient?

Back

A difference in the concentration of a substance across a space.

Front

What does isotonic mean in terms of solute concentration?

Back

Two solutions have the same solute concentration.

Front

What is the role of the cell membrane in transport?

Back

It regulates what enters and exits the cell.