a 2 month old boy presents with vomiting lethargy respiratory distress and refuses to eat the physician suspects that the boy may have a urea cycle disorder which metabolites would be elevated in the blood test of a patient with a urea cycle disorder. - Alanine and glutamine - alanine and pyruvate, - ammonium ions and glutamine, - ammonium ions and urea - glutamine. Which dipeptide has the greatest solubility in an aqueous solution of pH7 ? - Asp-ala - Glu-lys - Gly-ser - Ser-trp - Thr-val