This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Amino Acids Basics, Subject name: Biochemistry
Glucogenic amino acid is- 
Select and explain. 
A. Leucine, B. Lysine, C. Glutamine, D. None
C: Glutamine
Answer: C: Glutamine 
Explanation: Ans. is 'c' i.e.. Glutamine GlucogenicKetogenicBoth glucogenic & ketogenico Alanineo Arginineo Aspargineo Aspartic acido Cysteineo Glutamineo Glutamic acido Glycineo Histidineo Methionineo Prolineo Serineo Threonineo Valineo Leucineo Lysineo Isoleucineo Phenylalaineo Tyrosineo TryptophanNote : According to Harper 29PSh/'e (P-282), lysine is both ketogenic and glucogenic. But all other textbooks have mentioned it as ketogenic.