B3 Cell Transport key words

A solution where there is more solvent than there is solute

A solution where there is more solute than there is solvent

The difference between two solutions that have different amounts of solutes in them

The net movement of a substance from an area of high concentration to an area of low concentration

The net movement of water from a region of high water potential to a region of low water potential across a selectively permeable membrane

What is needed in order for active transport to take place

The overall direction and migration of particles in or out of a region

This phrase describes how likely a substance is to move from one place to another. Specifically the substance in osmosis.

The phospholipid bilayer that surrounds the smallest structures that make up all organisms

The movement of substances up a concentration gradient. It requires energy