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What are the three nitrogenous waste excreted by animals?
The three nitrogenous wastes excreted by animals are ammonia (most toxic, released by aquatic animals), urea (less toxic, excreted by mammals), and uric acid (least toxic, excreted by birds and reptiles).
What form of nitrogenous waste do most fishes excrete?
Most fishes primarily excrete ammonia as their nitrogenous waste. Ammonia is highly toxic but soluble in water, allowing it to be efficiently eliminated through the gills. This method is effective for aquatic animals since they have a constant supply of water to dilute the ammonia. Some species, especially those in saltwater environments, may also convert ammonia into less toxic compounds, such as urea, but ammonia remains the predominant form.
What is the form of nitrogenous waste that most fish give off?
Most fish excrete nitrogenous waste in the form of ammonia. Ammonia is highly toxic, but fish eliminate it primarily through the gills and some through the urine. Some fish species, particularly those living in environments with low water availability, convert ammonia to a less toxic form, such as urea or uric acid, before excreting it.
What is the nitrogenous waste in urea?
The nitrogenous waste in urea primarily comes from the breakdown of proteins and nucleic acids in the body. During metabolism, amino acids undergo deamination, where the amino group is removed and converted into ammonia, which is toxic at high levels. The liver then converts this ammonia into urea, a less toxic compound that is excreted by the kidneys in urine. This process helps to safely eliminate excess nitrogen from the body.
What is the main nitrogenous waste expelled in urine and say where it is made?
The main nitrogenous waste expelled in urine is urea, which is produced in the liver through the urea cycle. This process converts ammonia, a toxic byproduct of protein metabolism, into urea, which is less harmful and can be easily excreted by the kidneys. Urea is then filtered from the blood and eliminated from the body in urine.
What are the three nitrogenous waste excreted by animals?
The three nitrogenous wastes excreted by animals are ammonia (most toxic, released by aquatic animals), urea (less toxic, excreted by mammals), and uric acid (least toxic, excreted by birds and reptiles).
The least toxic of nitrogenous wastes is?
Urea is the less toxic in nature among the nitrogenous wastes where as Ammonia is 100,000 times toxic than urea.
What form of nitrogenous waste do most fishes excrete?
Most fishes primarily excrete ammonia as their nitrogenous waste. Ammonia is highly toxic but soluble in water, allowing it to be efficiently eliminated through the gills. This method is effective for aquatic animals since they have a constant supply of water to dilute the ammonia. Some species, especially those in saltwater environments, may also convert ammonia into less toxic compounds, such as urea, but ammonia remains the predominant form.
What is the advantage of excreting nitrogenous waste in the form of ammonia?
Ammonia is less soluble than uric acid.
What is the form of nitrogenous waste that most fish give off?
Most fish excrete nitrogenous waste in the form of ammonia. Ammonia is highly toxic, but fish eliminate it primarily through the gills and some through the urine. Some fish species, particularly those living in environments with low water availability, convert ammonia to a less toxic form, such as urea or uric acid, before excreting it.
What is the main nitrogenous waste excreted by terrestrial amphibians and mammals?
The main nitrogenous waste excreted by terrestrial amphibians and mammals is urea. Urea is less toxic than ammonia, allowing these animals to conserve water while efficiently eliminating nitrogenous waste. This adaptation is particularly important for survival in terrestrial environments where water conservation is crucial.
What is the nitrogenous waste in urea?
The nitrogenous waste in urea primarily comes from the breakdown of proteins and nucleic acids in the body. During metabolism, amino acids undergo deamination, where the amino group is removed and converted into ammonia, which is toxic at high levels. The liver then converts this ammonia into urea, a less toxic compound that is excreted by the kidneys in urine. This process helps to safely eliminate excess nitrogen from the body.
What is the main nitrogenous waste expelled in urine and say where it is made?
The main nitrogenous waste expelled in urine is urea, which is produced in the liver through the urea cycle. This process converts ammonia, a toxic byproduct of protein metabolism, into urea, which is less harmful and can be easily excreted by the kidneys. Urea is then filtered from the blood and eliminated from the body in urine.
List Three main nitrogenous wastes of animals what is the relative need for water?
The three main nitrogenous wastes in animals are ammonia, urea, and uric acid. Ammonia is the most toxic and soluble in water, requiring a high volume of water for its excretion. Urea is less toxic and requires a moderate amount of water for excretion. Uric acid is the least toxic and least soluble, needing very little water for excretion.
Terrestial animals are generally either ureotelic or uricotelic not ammonotelic why?
Ammonia is a highly toxic compound. So it shouldn't be stored in an organism's body for a long time. The problem is that ammonia can only be eliminated in a solution (because it is higly soluble). Aquatic animals are sorrounded by water, so water conservation is not a problem for them. In this manner, they are continously eliminating ammonia, in some cases even through their skins. On the other hand, terrestrial animals have to conserve water. They cannot waste it, so ammonia (in a solution) can't be eliminated continously . Since ammonia is highly toxic, it has to be converted to a less toxic form, like urea or uric acid. Both of them can be eliminated when the organism has enough water to spend.
What is known as ammoniotelic organism?
Ammoniotelic organisms are those that excrete ammonia directly as their primary nitrogenous waste product. This method of excretion is typically found in aquatic animals, such as most bony fish and amphibian larvae, where ammonia can be readily diluted in water. Ammonia is highly toxic, so these organisms benefit from living in environments where they can efficiently eliminate it. This contrasts with ureotelic and uricotelic organisms, which convert ammonia into less toxic compounds like urea or uric acid for excretion.
Is uric acid more toxic than ammonia?
Uric acid is less toxic than ammonia. Ammonia is highly toxic to the body and can cause damage to cells and organs. Uric acid, on the other hand, is a waste product formed from the breakdown of purines and is usually excreted by the kidneys in the urine.
