BCH4024 OC F25 E2 Q18: A patient presents with hypoglycemia…

BCH4024 OC F25 E2 Q18: A patient presents with hypoglycemia (low blood glucose) during fasting. Lab results show elevated pyruvate and lactate, and low glucose. Which enzyme deficiency would most directly impair the conversion of pyruvate into glucose and results in the patient presentation and lab results?