BCH4024 OC SP25 E3 Q21: A three-year-old boy is brought into…

BCH4024 OC SP25 E3 Q21: A three-year-old boy is brought into the clinic suffering from cardiorespiratory distress following an infection. Previously, the boy was admitted to the hospital in a coma and suffered a cardiac arrest. He was extremely hypoglycemic (low blood glucose) and showed hepatomegaly (enlarged liver). Muscle and liver biopsies contained large amounts of lipids.  The diagnosis was a carnitine deficiency. Loss of carnitine will most directly affect which of the following processes?