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• Explain two ways materials can enter the cell through passive transport.

• What are the different types of passive transport?

• Three ways substances are transported in living organisms?

• Can ions cross the cell membrane without added energy?

• List three factors that affect the movement of materials across the plasma membrane.

• What is a common large molecule that uses facilitated diffusion to move across the cell membrane?

• Do carrier proteins move substances faster than simple diffusion?

• Why is the plasma membrane called a selectively permeable membrane?

• Is diffusion an active or passive transport process?

• Is osmosis an active or passive process of transport?

• What are the three types of passive transport?

• What is the difference between active and passive transport?

• What does it mean for something to be selectively permeable?

• How does ATP synthase produce ATP?