Ammonia in brain is trapped by: (A) Alanine, (B) Glutamine, (C) Ornithine, (D) Aspaate
Answer is B. Ans. is 'b' i.e.,Glutamine The brain is a rich source of glutamine synthase and predominantly detoxifies ammonia by synthesis of glutamine.Glutamate + NH4 - Glutamine sythetase - Glutamine