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: Biochemistry
Epimers of glucose ? 
Select and explain. 
A. Mannose, B. Glyceraldehyde, C. Fructose, D. None
A: Mannose
Answer: A: Mannose 
Explanation: Ans. is 'a' i.e., Mannose Repeat from previous sessions. See expalanation-13 of session-4.