CC Passive Transport CC Cooper

What can you find in all cells?

• cell membrane

• nucleus

• mitochondria

What is Homeostasis?

• When cells fight each other.

• When cells keep a stable environment inside themselves.

• When cells die.

This controls what goes in and out of a cell.

• Cell Wall

• Nucleus

• Cell Membrane

The cell membrane is made of how many layers?

• 2

• 1

• 3

________ transport requires no energy.

• Aggressive

• Lazy

• Passive

• Active

The difference in concentration on the two sides of the cell membrane is known as a ...

• Flow gradient

• Concentration gradient 

• Cell membrane gradient

What are 2 types of Passive Transport?

• Simple Diffusion

• Complex Diffusion

• Facilitated Diffusion

• Endocytosis

This video does not mention the 3rd type of passive transport: Osmosis.  Use your notes to answer this question. Osmosis is the diffusion of _______ molecules across a selectively permeable membrane.

• sugar

• food

• water

• carbon dioxide

Movement of molecules from low concentration to high concentration requires energy.

• False

• True

What is the energy used by the cell to move molecules against the concentration gradient?

• Water

• ATP

• Glucose