Membrane Transport and Facilitated Diffusion Quiz

What type of transport is shown in the diagram?

• Osmosis

• Active Transport

• Passive Transport

• Diffusion

What type of transport moves molecules against the concentration gradient?

• Passive Transport

• Facilitated Diffusion

• Active Transport

• Osmosis

Select all of the following that are considered passive transport:

• Diffusion

• Active Transport

• Facilitated Diffusion

• Osmosis

• Creating the H+ ion concentration gradient for ATP synthesis

Active Transport requires the input of _______________.

• Energy

• Water

• Physical Movement

• Food

What type of transport involves the natural movement of molecules from high to low concentrations?

• Diffusion

• Active Transport

• Dispersal

• Potassium Ion Channel

What type of transport involves the movement of molecules from a low to high concentration?

• Diffusion

• Osmosis

• Facilitated Diffusion

• Active Transport

Look at the diagram. Why does the water flow from the left side to the right side?

• There is a physical force pushing it through the membrane

• Active Transport is occurring to move the molecules against the concentration gradient

• There is a lower concentration of water molecules on the right side, so the natural flow from high to low is occurring

• The solute on the right has a charge that attracts water molecules

Tags

NGSS.HS-LS2-3

In this diagram, there is a higher concentration of solute on the right side of the membrane. This causes the water to move from left to right. Why isn't the solute diffusing from high to low concentration as well?

• The membrane doesn't allow the solute to pass through, but it does allow water to pass through

• Osmosis prevents the flow of the water across the membrane

• There is no difference in concentration on either side of the membrane

• Energy would be needed since you are going from low to high concentrations

What molecules cannot pass through the cell membrane on their own? Select all that apply

• Polar molecules

• Nonpolar molecules

• Molecules without a charge

• Cholesterol

• Any lipid

Diffusion & Facilitated Diffusion are both __________ transport.

• Passive

• Active

• Easy

• Free