Cell Transport

What is a simple way to understand diffusion?

• Up and down is the only way to go

• Low to high is the only way to go

• High to low is the only way to go

• Side to side is the only way to go

What is the role of a carrier protein in facilitated diffusion?

• To break down glucose

• To provide energy for the cell

• To help move particles in and out of the cell

• To create a barrier for particles

Which type of transport requires energy in the form of ATP?

• Passive transport

• Facilitated diffusion

• Active transport

• Simple diffusion

What is the function of a membrane pump in active transport?

• To create vesicles

• To break down ATP

• To move substances against the concentration gradient

• To move substances with the concentration gradient

What happens during exocytosis?

• The cell expels an object out of the cell

• The cell moves liquids into the cell

• The cell captures a specific target molecule

• The cell engulfs an object