Cell Transport Quiz

Passive transport occurs when molecules move from an area of ________ concentration to an area of ________ concentration.

• Low, high

• High, low

• Equal, equal

• Low, equal

Fill in the blank: Active transport requires ______ to move molecules against the concentration gradient.

• Water

• Energy

• Oxygen

• Carbon Dioxide

Fill in the blank: Facilitated diffusion occurs through ______ proteins.

• Channel

• Carrier

• Pump

• None of the above

Which of the following is an example of passive transport? A) Active Transport B) Diffusion C) Protein Pumps D) ATP usage.

• Active Transport

• Diffusion

• Protein Pumps

• ATP usage

What happens to a cell in an isotonic solution?

• It shrinks

• It swells

• It remains the same

• It bursts

What type of transport requires energy to move molecules against their concentration gradient?

• Passive transport

• Active transport

• Diffusion

• Osmosis

Which of the following is a method of passive transport?

• A) Endocytosis

• B) Exocytosis

• C) Diffusion

• D) Phagocytosis

What is the role of protein pumps in cellular transport?

• To facilitate diffusion

• To move smaller molecules through the cell membrane

• To engulf bacteria

• To release energy.

What types of molecules can diffuse through the cell membrane, without using a channel protein?

• Small and nonpolar

• Large and polar

• Small and polar

• Large and nonpolar

Where in the cell are Protein Pumps located?