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firewatch

Cell membranes help hold cell contents within the confines of the cell. If a cell membrane is damaged physically or chemically, the contents of the cell can “leak” out. In this activity, students can observe the red pigment (betacyanin) after it has left beet cells that have been damaged to varying degrees.

Concepts

  • Cellular Membranes
  • Hydrophobic vs. Hydrophilic
  • Polar Molecules
  • Phospholipids