Sodium ions are pumped out of a red blood cell
Asked by maham237 @ in Biology viewed by 340 People
Sodium ions are pumped from a region of lower concentration to a region of higher concentration in the nerve cells of humans.
Glucose molecules move into animal cells through membrane proteins from a region of higher concentration to a region of lower concentration.
Food coloring molecules spread out in a cup of water when a drop of dye is added to the solution.
Water molecules move into red blood cells placed in pure water causing them to swell and burst.