Diffusion Review

What is DIFFUSION?

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Osmosis is the diffusion of _____________ across a cell membrane.

• Air

• Oxygen

• Water

• Food

The movement of molecules (matter) from an area of greater concentration (how much of something) to an area of lower concentration. Does not require energy.

• Active Transport

• Passive Transport

• Osmosis

• Diffusion

The term used to describe when some molecules are able to pass through a membrane and others are not.

• Osmosis
• Diffusion
• Selective Permeability
• Equilibrium

Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration

• High, low
• Low, high
• Low, low,
• High, high

This egg has shrunk, what type of solution was it placed in?

• hypotonic solution
• hypertonic solution
• isotonic solution
• active transport

You put a cell into a solution, the cell grows. Is the solution hypotonic or hypertonic to the cell? 

• hypertonic
• hypotonic
• isotonic
• not enough information

An ISOTONIC solution has a(n) ______________ concentration of solute (dissolved stuff) than inside the cell.

• lower
• equal
• higher

What type of solution is this cell in?

• Isotonic
• Hypertonic
• Hypotonic
• diffused

What type of solution is this cell in?

• Isotonic
• Hypertonic
• Hypotonic
• diffused