Cell Transport Review

What is diffusion?

• when molecules move 
• when molecules move from a high concentration to a low.
• no movement 
• molecules move everywhere

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

Permeable means

• things can pass through
• the concentration levels are different
• it is permanent
• things are stuck

When both inside and outside of a cell have the same amount of water it is said that the cell has reached a state of

• Osmosis
• Diffusion
• Equilibrium

A person would never have pure water put into their veins in a hospital because their cells would...

• Shrink/Dehydrate
• Expand

A person should never drink salty water because their cells would

• shrink
• expand

The movement of molecules against a concentration gradient

• simple diffusion
• facilitated diffusion
• active transport
• osmosis

The picture is an example of...

• active tranport
• passive transport
• diffusion
• osmosis

An animal cell placed in a hypertonic (salty) solution will ___________

• Shrink (get smaller)

• Swell up (grow bigger)

• Stay the same

_______ regulates what enters and leaves a cell.

• Cell Membrane

• Nucleus

• Mitochondria

• Cytoplasm