Cell Transport

Multiple Choice

Which of the following best describes the function of the cell membrane?

• It acts as a gatekeeper, allowing only certain materials to pass.

• It produces energy for the cell.

• It stores genetic information.

• It breaks down waste materials.

Multiple Choice

Which real-world example best illustrates the concept of passive transport?

• The spreading of air freshener scent in a room

• Riding a bike uphill

• A cell using ATP to move materials

• A school’s front office allowing only students with passes

Multiple Select

Which of the following statements about diffusion and osmosis are correct?

• Both involve movement from high to low concentration.

• Diffusion does not require energy.

• Osmosis specifically involves water movement.

• Both require ATP energy.

Open Ended

Explain why it is important for cells to keep water balanced before cell division.

Multiple Choice

Which vocabulary word describes the condition when concentrations are equal on both sides of a membrane?

• Equilibrium

• Osmosis

• Diffusion

• Homeostasis