If you have a well in your home, keep a close eye on the color of the water, which may tell you plenty about what might go on down under. If your well water turns an eerie blue or blue-greenish color, you have a problem related to either copper or zinc from bronze fixtures.
67 MembraneStructure andFunction Chapter Concepts 4.1 Plasma Membrane Structure and Function â¢ The plasma membrane regulates the passage ofmolecules into and out of the cell. 68â¢ The membrane contains lipids and proteins.
Best Answer: Plasma/cell membrane do have a lot of functions. It provides protection and barrier. It identifies and allows certain molecules to go in and out of the cell. Sort of security guard... If plasma membrane stopped working, well, anything can go in and out of the cell, without permisson. Because of this, the cell would be prone to foreign substances. There would be also no balance in the nutrients in the cell.