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"Cholesterol – Hero or Villain" icon

Cholesterol – Hero or Villain

This resource received an honorable mention in the 2009 SoftChalk Lesson Challenge.

This lesson covers five major topics associated with cholesterol metabolism.  These include Synthesis, Bile Acids and Salts, Lipoproteins, Pathological Role and Physiological Role.

"Cholesterol is a vital constituent of cell membranes and the precursor for steroid hormones and bile acids. It is clearly essential to life, yet its deposition in arteries is associated with cardiovascular disease and stroke, two leading causes of death in humans. In a healthy organism, an intricate balance is maintained between the biosynthesis, utilization, and transport of cholesterol, keeping its harmful deposition to a minimum."


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