Because free ammonia in the blood is toxic to the body, it is transpoed in which of the following non-toxic forms?: (A) Histidine and urea, (B) Phenylalanine and methionine, (C) Glutamine and urea, (D) Lysine and glutamine
Answer is C. Glutamine and urea Ref: Ganong - Review of Medical Physiology 23rd Ed Page 644