<prompt> How is Ammonia removed from the brain predominantly?AsparagineAlanineGlutamineCysteine  <response>: Glutamine is a storehouse of NH3. It is present at the highest concentration 8 mgdl in adults in blood among the amino acids. Glutamine serves as a storage and transport form of NH3. Its synthesis mostly occurs in liver, brain and muscle. Ammonia is removed from the brain predominantly as glutamine. Glutamine is freely diffusible in tissues, hence easily transported. 