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Ammonification
sciencelearn.org.nz
- This process occurs in three steps in terrestrial systems: ammonification, nitrification, and denitrification. First, the ammonification or nitrogen mineralization process converts nitrogenous waste from living organisims or the remains of dead organisms into ammonium (NH 4+) by certain bacteria and fungi.
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Ammonia is the waste produced by metabolism of nitrogen-containing compounds like proteins and nucleic acids. While aquatic animals can easily excrete ammonia into their watery surroundings, terrestrial animals have evolved special mechanisms to eliminate the toxic ammonia from their systems.
Nitrogenous wastes tend to form toxic ammonia, which raises the pH of body fluids. The formation of ammonia itself requires energy in the form of ATP and large quantities of water to dilute it out of a biological system.
- Charles Molnar, Jane Gair
- 2015
Aerobic ammonia oxidizers convert ammonia to nitrite via the intermediate hydroxylamine, a process that requires two different enzymes, ammonia monooxygenase and hydroxylamine oxidoreductase...
Mar 21, 2024 · First, the ammonification or nitrogen mineralization process converts nitrogenous waste from living organisims or the remains of dead organisms into ammonium (NH 4 +) by certain bacteria and fungi. Second, this ammonium is then converted to nitrites (NO 2 − ) and then nitrates (NO 3 − ) by nitrifying bacteria and archaea, such as ...
Oct 31, 2023 · Urea, a nitrogenous waste material, is the end product excreted in urine when ammonia is metabolized by animals, such as mammals.
Nitrogenous Waste in Terrestrial Animals: The Urea Cycle. The urea cycle is the primary mechanism by which mammals convert ammonia to urea. Urea is made in the liver and excreted in urine. The overall chemical reaction by which ammonia is converted to urea is 2 NH 3 (ammonia) + CO 2 + 3 ATP + H 2 O → H 2 N-CO-NH 2 (urea) + 2 ADP + 4 P i + AMP.
Ammonia is the waste produced by metabolism of nitrogen-containing compounds like proteins and nucleic acids. While aquatic animals can easily excrete ammonia into their watery surroundings, terrestrial animals have evolved special mechanisms to eliminate the toxic ammonia from their systems.
