Multiple choice

Lysine is an amino acid. Which of the following compounds is an intermediate in its metabolism ?

  1. Saccharopine

  2. Allysine

  3. α-Aminoadipic acid

  4. α-Ketobutyric acid

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A Correct answer
Explanation

Saccharopine is an intermediate in the metabolism of amino acid lysine. It is a precursor of lysine in the alpha-aminoadipate pathway which occurs in a few lower fungi, the higher fungi, and euglenids.