This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
Essential pentosuria is seen in defect of which pathway - 
Select and explain. 
A. HMP shunt, B. Uronic acid pathway, C. TCA cycle, D. Gluconeogenesis
B: Uronic acid pathway
Answer: B: Uronic acid pathway 
Explanation: Ans. is 'b' i.e., Uronic acid pathway o Essential pentosuria is an inherited disorder of uronic acid pathway due to deficiency of enzyme L-xylulose dehydrogenase.