Which Branched-chain amino acid is purely ketogenic-: (A) Lysine, (B) Leucine, (C) Isoleucine, (D) Valine
Answer is B. Ans. is 'b' i.e., Leucine o Branched-chain amino acids are leucine, Isoleucine, and Valine. Leucine is purely ketogenic. Isoleucine is both ketogenic and glucogenic. Valine is glucogenic.