The nitrogenous waste product that comes from the use of excess amino acids for energy production is:
A)urea
B)uric acid
C)creatinine
D)uracil

Question

Quizplus · Accepted Answer

Excess amino acids undergo deamination to produce ammonia, which is toxic, so it needs to be converted into a less toxic form. The liver converts ammonia into urea, which is then eliminated by the kidneys in urine. Uric acid and creatinine are also nitrogenous waste products, but they come from other metabolic processes. Uracil is a nitrogen-containing base found in RNA, not a waste product.

The Nitrogenous Waste Product That Comes from the Use of Excess