This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Physiology
Gamma glutamate carboxypeptidase is linked with absorption of - 
Select and explain. 
A. Riboflavin, B. Niacin, C. Folic acid, D. Pyridoxine
C: Folic acid
Answer: C: Folic acid 
Explanation: Ans. (c) Folic acid(Ref: Ganong, 25th ed/p.483)Folate in diet is available as polyglutamate formIt is hydrolyzed by gamma glutamyl carboxypeptidase and absorbed