Moderate

Lecithin consists of:

Correct answer: A. Glycerol, Fatty acids, Phosphoric acid and Choline

  • A. Glycerol, Fatty acids, Phosphoric acid and Choline
  • B. Glycerol, Fatty acids, Phosphoric acid and Ethanolamine
  • C. Glycerol, Fatty acids, Phosphoric acid and Inositol
  • D. Glycerol, Fatty acids, Phosphoric acid and Serine

Explanation

Phosphatidic acid is composed if 1 glycerol 2 fatty acid and 1 phosphoric acid it combines with choline to form phosphotidyl choline also known as lecithin.

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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.

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