cholesterol

• functions of cholesterol?

  • maintains fluidity of cell membranes.
  • makes bile salts
  • makes steroids.
• why is cholesterol insoluble in water?

  • polar, form hydrogen bonds with water molecules.
  • would combine with lipoproteins to be transported into bloodstream (LDL and HDL)
• LDL/HDL?

  • LDL, saturated fat + protein