Nitrogenous waste has the greatest number of nitrogen atoms is option D. uric acid.
Urea is the most commonplace form of nitrogenous waste in human frame fluids. Urea is much less poisonous than ammonia however like ammonia, Uric acid contains most nitrogen atom for aquatic animals, its elimination from the frame calls for some lack of water as water is used to flush it from the frame urea and ammonia are both discovered in urine.
The ultimate amino acid forms ammonia, which is the most simple form of nitrogenous waste. Ammonia is extraordinarily toxic and calls for big quantities of water to do away with it from the body. Nitrogenous waste from protein catabolism is produced and removed by 3-way of ammonia, urea, and uric acid.
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