Cellular Transport Quiz

Which type of cellular transport DOES NOT require energy?

• Active

• Passive

In passive transport, molecules move from a ______ concentration to a ______ concentration.

This is referred to as molecules moving ______ their concentration gradient.

• Up

• Down

______ is reached when molecules are spread evenly throughout a solution or across a membrane.

When there is a difference in concentration in one area compared to another area, a concentration ______ is formed.

Molecules continue to move even after reaching equilibrium.

• True

• False

Cells transport substances in and out to maintain an internal balanced environment called ______.

Which type of passive transport receives help from proteins in the cell membrane?

• Simple Diffusion

• Facilitated Diffusion

• Osmosis

Which type of passive transport refers specifically to the movement of water molecules across a membrane?

• Simple Diffusion

• Facilitated Diffusion

• Osmosis

Molecules move from ______ concentration.

• High

• Low