When amino acids are degraded for energy, their amine groups are stripped off and used elsewhere or incorporated by the liver into:

Question

Quizplus · Accepted Answer

The amine groups from amino acids are stripped off and converted into ammonia, which is toxic to the body. The liver converts the ammonia into less toxic urea, which is then excreted by the kidneys in the urine. Thus, amino acid degradation results in the production of urea.

When Amino Acids Are Degraded for Energy, Their Amine Groups