A 3 year-old male suffers from chronic diarrhea, greasy stool and anemia. This patient is significantly underweight. He has mild edema of the lower extremities and oral ulcers. Parenteral feeding and vitamin supplementation are started in this patient. Pantothenic acid is necessary for which of the following conversions in this patient’s metabolism?
A. Glucose to pyruvate B. Glucose to ribose-5-phosphate C. Alanine to glucose D. Oxaloacetate to citrate E. Glutamate to a ketoglutarate