Passive Transport Quiz

Where does Passive Transport occur most of the time?

• The Nucleus
• The Cell Membrane
• The Mitochondria

What direction do molecules move across the concentration gradient in passive transport?

• from a high to low concentration
• from a low to high concetration
• they move randomly

When do molecules stop moving across the concentration gradient?

• When all of the molecules are on one side of the gradient
• Whenever they want
• They never stop moving
• When they reach equilibrium

True or False: Energy is required for Passive Transport to occur

• True
• False

Short answer: During the In and Out Lab, why did iodine travel inside the tubing to the cornstarch solution. What type of Passive Transport occur?

• Diffusion

• Facilitated Diffusion

• Osmosis

• None of these

Which type of passive transport has WATER molecules moving from high to low concentration?

• Osmosis

• Diffusion

• Facilitated Diffusion

• None of these

Which type of passive transport has LARGE molecules moving from high to low concentration with the use of proteins?

• Osmosis

• Diffusion

• Facilitated Diffusion

• None of these

Which type of passive transport has SMALL molecules moving from high to low concentration?

• Osmosis

• Diffusion

• Facilitated Diffusion

• None of these