A 34-year-old man from Indonesia comes to the physician for a 3-day history tinging sensations in his left arm. Three months ago, he was commenced on pharmacologic therapy for tuberculosis after his PPD test and chest x-ray confirmed the diagnosis. This patient is most likely deficient in a vitamin that ordinarily carries out which of the following?
Breakdown of odd-chain fatty acids
Collagen synthesis
Gluconeogenesis
Heme synthesis
Krebs cycle
