Reactants and Products of Protein Catabolism Practice Test

4 molecules of ammonia and 1 molecule of carbon dioxide create 2 molecules of urea for excretion and 1 molecule of ornithine

4 molecules of ammonia and 1 molecule of nitric oxide create 1 molecule of urea and 1 molecule of carbon dioxide

1 molecule of ammonia is split into 2 molecules of urea

2 molecules of ammonia and 1 molecule of carbon dioxide create 1 molecule of urea and regenerate 1 molecule of ornithine for another turn