"Nitrogen" Essays and Research Papers

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The process of Nitrogen being released from Alanine, oxidized by soil microbes, absorbed by a root, and reduced and assimilated into aspartic acid is known as the Nitrogen Cycle. This cycle is necessary because there is a shortage of nitrogen in the soil; therefore, most of the soil nitrogen is obtained from dead organic materials such as Amino Acids. The first step in this process is nitrogen being released from the amino acid. This process is known as ammonification. Alanine is used as an organic...

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The Nitrogen Cycle

present in Durham tube. As shown in Table 3, after a 7 day incubation period no bubbles were observed in the Durham tubes. This indicates that nitrogen gas was not presence. However, after a 14 day incubation period bubbles were observed in the Durham tubes. Hence, illustrates the denitrification process was complete and the reduction of nitrates to nitrogen gas was successful. In addition, the control tubes had a negative test, no bubble which is expected because there was no culture present. ...

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Fixing the Global Nitrogen Problem

Fixing the Global Nitrogen Problem         The primary issue of the nitrogen problem is to inform people how nitrogen effects the environment negatively. All living things need nitrogen and approximately 78 percent of the atmosphere contains nitrogen. However, nitrogen is the non-reactive gas that is known as inert, and can commonly be fixed with nitrogen fixation. Nitrogen fixation refers to the natural process by breaking the triple bond between two pairs of nitrogen atoms through a tiny group...

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Carbon, Phosphorus, and Nitrogen Cycles

water pollution problem which is known as eutrophication. (Boorse, 2011) The Nitrogen cycle has similarities to the carbon cycle and the phosphorus cycle. Both carbon and nitrogen cycles both have gas phases, and Phosphorus and Nitrogen act with limited factors. Nitrogen is a primary nutrient critical for the survival of all the living organisms, although nitrogen needs help to combine with other elements. Although nitrogen is in numerous supply in the atmosphere it is not available for use to plants...

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Carbon, Phosphorus and Nitrogen Cycles

Carbon, Phosphorus and Nitrogen Cycles Humans have a great impact on each of the Carbon, Phosphorus, and Nitrogen cycles in the Ecosystem. The carbon cycle starts with the reservoir of the carbon dioxide in the air, the carbon atoms move from carbon dioxide through photosynthesis into atoms of organic molecules that form the plants body. These carbon atoms are then further metabolized and are eaten and turned into tissue that all organisms in the ecosystem use. Half of the atoms are respired...

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Nitrogen Fixation

mineral nutrients, and none is more important than nitrogen, which is required in large amounts as an essential component of proteins, nucleic acids and other cellular constituents. There is an abundant supply of nitrogen in the earth's atmosphere - nearly 79% in the form of N2 gas. However, N2 is unavailable for use by most organisms because there is a triple bond between the two nitrogen atoms, making the molecule almost inert. In order for nitrogen to be used for growth it must be "fixed" (combined)...

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Chemistry Nitrogen Family

Nitrogen Family (The traditional name for the elements in Nitrogen’s column, the “pnictogens”, comes from a Greek word for “choking” or “strangling”) P.7 Nitrogen: Fritz Haber discovered how to convert the Nitrogen in the air into an industrial product. Although nitrogen gas can suffocate those who are unsuspecting, tends to be benign, almost to the point of uselessness. The one important thing it can do is replenish the soil; it is as important to plants as vitamin c is to us. When pitcher...

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Nitrogen Cycle

NITROGEN CYCLE IN SURFACE WATER BODIES by: yusra shamsudin 1.0 Nitrogen Nitrogen is very essential to all living matters especially to plant, animal and human. The source of nitrogen is from the atmosphere and it is exists as a molecule composed of two atom of nitrogen that is bonded together by triple bond. Figure 1: Nitrogen Source: anyone4science.blogspot.com 2.0 Nitrogen Cycle Nitrogen cycle is the transformation of nitrogen from one form to another. For living organism...

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Nitrogen Cycle

Alteration of the Global Nitrogen Cycle What is Nitrogen? Nitrogen is the most abundant element in the Earth’s atmosphere. Nitrogen makes up 78% of the troposphere. Nitrogen cannot be absorbed directly by the plants and animals until it is converted into compounds they can use. This process is called the Nitrogen Cycle. Heather McGraw, Mandy Williams, Suzanne Heinzel, and Cristen Whorl, Give SIUE Permission to Put Our Presentation on E-reserve at Lovejoy Library. The Nitrogen Cycle How does...

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The nitrogen cycle

Nitrogen cycle A simple and complete diagram of the nitrogen cycle. The blue boxes represent stores of nitrogen, the green writing is for processes that occur to move the nitrogen from one place to another and the red writing are all the bacteria involved. The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms. This transformation can be carried out through both biological and physical processes. Important processes in the nitrogen cycle include fixation...

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