Active Transport - Examples

Examples

  • Water, ethanol, and chloroform exemplify simple molecules that do not require active transport to cross a membrane.
  • Metal ions, such as Na+, K+, Mg2+, or Ca2+, require ion pumps or ion channels to cross membranes and distribute through the body
  • The pump for sodium and potassium is called sodium-potassium pump or Na +/K+-ATPase
  • In the epithelial cells of the stomach, gastric acid is produced by hydrogen potassium ATPase, an electrogenic pump

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