Essays Tagged: "Urea"
The Kidney
eys are the two major organs of excretion. Excess water, toxic waste products of metabolism such as urea, uric acid, and inorganic salts are disposed of by kidneys in the form of urine. Kidneys are al ... drives a filtrate of plasma containing salts, glucose, amino acids, and nitrogenous wastes such as urea and a small amount of ammonia through the glomerus. Proteins and fats are filtered out of the p ...
Subjects: Science Essays > Biology > Human Biology
Vertebrate adaptations for terrestrial Life.
g water. Land animals cannot do this because of the toxicity of NH3. Instead, NH3 is converted into urea in our livers. Urea is significantly less toxic than NH3, and thus requires less water to excre ... he urine. The reason we need the water to excrete this is because the water is needed to dilute the urea (or NH3 if we did excrete it in that form), in order to make it less toxic. Birds excrete ammon ...
Subjects: Science Essays > Biology
ORIGEN DE LA VIDA. ¿Cuando se originó la vida y como?. Jean Baptiste Van Helmont. Louis Pasteur
ute;an formarse por la acción de los seres vivos, la síntesis en el laboratorio de la urea (un compuesto orgánico), dio por tierra con esta creencia. En 1922, el científico ...
Subjects: Humanities Essays > Philosophy > Comparative Philosophy & Ethics
Affect of gaseous ammonia and oxides of nitrogen on plant growth.
nd high rates of fertilizer manufacture and application. Fertiliser is often applied as ammonium or urea.During combustion, the primary oxide of N formed is nitrogen monoxide or nitric oxide (NO), onl ...
Subjects: Science Essays > Biology
Native American Sweat Lodges
his is generally believed to be beneficial for cases of mild hypertension. Sweat can also eliminate urea, a metabolic by-product. Excessive urea can cause headaches, nausea and in extreme cases, vomit ... his is generally believed to be beneficial for cases of mild hypertension. Sweat can also eliminate urea, a metabolic by-product. Excessive urea can cause headaches, nausea and in extreme cases, vomit ...
Subjects: Literature Research Papers > Creative Writing
Terrorism and its Effects on the United States
ving luggage containing bomb-making instructions. Yusef's plan involved creating a car bomb made of urea pellets, nitroglycerin, sulfuric acid, aluminum/magnesium azide, and bottled hydrogen, and inte ...
Subjects: Social Science Essays > Current Issues
Enzyme Investigation.
re named by adding ASE to the name of the substrate with which they react. The enzyme that controls urea decomposition is called urease; those that control protein hydrolyses are known as proteinases. ... which bring about the digestion of meat, control many different reactions, whereas others, such as urease, are extremely specific and may accelerate only one reaction. Still others release energy to ...
Subjects: Science Essays > Biology
Animal physiology study notes
ntrations of inorganic ions than the sea water ; hyperosmoticity is created as the results of using urea and trimethylamine (TMAO)Stenhaline is a group of animals which is able to survive in low range ...
Subjects: Science Essays > Biology