Understanding Passive Transport

What is the primary difference between active and passive transport?

• Both active and passive transport require energy.

• Passive transport requires energy, while active transport does not.

• Active transport requires energy, while passive transport does not.

• Neither active nor passive transport require energy.

Which component of the cell membrane is responsible for creating a barrier between the inside and outside of the cell?

• Proteins

• Cholesterol

• Phospholipid bilayer

• Carbohydrates

In facilitated diffusion, what assists larger or charged molecules in moving through the cell membrane?

• Water molecules

• Carbohydrates

• Proteins

• Lipids

Which process involves water molecules moving through the membrane to balance solute concentration?

• Osmosis

• Facilitated diffusion

• Active transport

• Simple diffusion

Which of the following is an example of passive transport in the human body?

• Pumping of sodium ions out of cells

• Synthesis of proteins

• Absorption of nutrients in the digestive system

• Movement of glucose into cells