Keratin contains ?
a) Arginine
b) Histidine
c) Lysine
d) All
Correct Answer - D
Ans. is ‘d’ i.e., All
Amino acids required for specialized products
Creatine → Glycine + Arginine + Methionine
Glutathione → Glycine + Cysteine + Glutamate
Cystine → Cysteine + Cysteine
Purine → Glycine + Aspartate + Glutamate + Serine
Pyrinidine → Asparatate + Glutamine
Carnosine → 13-Alanine + histidine
Choline → Formed with the help of methionine, glycine,
serine, B6
Nitric oxide → Arginine
Heme → Glycinc, Succinyl CoA
Carnitine → Methionine + lysine
Keratin → Histidine; arginine; lysine (1 : 12 : 4)
Glutamate → Gamma-amino butyric acid (GABA)