Creatine is made up of all, except: (A) Glycine, (B) Alanine, (C) Methionine, (D) Arginine
Answer is B. Three amino acids are required in the biosynthesis of creatine. They are: (i) Glycine (ii) Arginine and (iii) Methionine Substrates to sta synthesis are Glycine and Arginine. Site: Site of synthesis * In kidney * In liverRef: Textbook of medical biochemistry, MN Chatterji, 8th edition, page no: 524