Multiple choice Carnitine is biosynthesized from which of the following amino acids? Cysteine and glutamic acid Lysine and methionine Two alanine residues Lysine and glutamic lysine and cysteine Reveal answer Fill a bubble to check yourself B Correct answer Explanation Carnitine is biosynthesized from the amino acids lysine and methionine. It transports fatty acids from cytosol to mitochondria.