HY USMLE Q #1066 – Biochemistry / Neuro

A 46-year-old man is brought to emergency by police after being found on a park bench disoriented. He is unkempt. Physical examination shows ataxia, confusion, and left-sided ophthalmoplegia. The deficient cofactor in this patient also plays a role in which of the following?

  Acetyl-CoA carboxylase
  Fumarate hydratase
  Methionine synthase
  Thymidylate synthase
  Transketolase