Which of the following is an amino acid and part of phospholipids?
Correct answer: A. Serine
- A. Serine
- B. Choline
- C. Ethanolamine
- D. Aspartic acid
Explanation
Serine and aspartic acids are examples of amino acids, while choline and ethanolamine are Nz-containing bases. Serine can be a constituent of phospholipids and can act as a nitrogenous base.
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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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