5 Questions
What is the primary function of the cell membrane?
Regulate the internal environment of the cell & maintain homeostasis
What is the composition of the plasma membrane?
Phospholipids bilayer and cholesterol molecules
What is the function of the cholesterol molecules in the cell membrane?
Help determine the degree of permeability of the bilayer to water-soluble constituents
How are the phospholipid molecules oriented in the membrane?
Polar (charged) phosphate end towards the inner & outer surface, non-polar (fatty acid) ends point toward each other
What is the primary role of the plasma membrane in transmitting information?
Cell signaling
Test your knowledge about the cell membrane with this quiz. Explore the structure and function of the cell membrane, and understand its role in maintaining the internal environment of the cell.
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