General Medicine General 0ca0d3ce A newborn presents with severe acidosis, vomiting, hypotonia, and neurologic deficits. Serum analysis reveals elevated levels of lactate and alanine. These observations suggest a deficiency in which of the following enzymes? A Alanine aminotransferase B Glutamate dehydrogenase C Lactate dehydrogenase D Pyruvate dehydrogenase