Essays Tagged: "Nitrogen fixation"

The Nitrogen Cycle

Nitrogen is an essential component of amino acids and nucleic acids, which are the building blocks o ... ial component of amino acids and nucleic acids, which are the building blocks of all living things. Nitrogen makes up most of the atmosphere, but the N2 in the atmosphere cannot be used by most organi ... atmosphere cannot be used by most organisms. Nitrogen fixation is the process by which atmospheric nitrogen is transformed into forms that are more usable in biological processes. Although life needs ...

(2 pages) 42 0 4.0 Feb/2004

Subjects: Science Essays > Biology

The Cycling of Chemical Elements In The Ecosystem

tosynthesis reverses this reaction, and water and carbon dioxide are combined to form carbohydrates.Nitrogen gas in the atmosphere is composed of two nitrogen atoms bound to each other. It is a pretty ... itrogen atoms bound to each other. It is a pretty non-reactive gas; it takes a lot of energy to get nitrogen gas to break up and combine with other things, such as carbon or oxygen. Nitrogen gas can b ...

(6 pages) 63 0 3.0 May/2004

Subjects: Science Essays > Biology

Ecosystems - Preservation vs. Conservation

roduction through photosynthesis; the building of soils; the creation of food chains; water cycles; nitrogen fixation; massive precipitation of oceanic carbon dioxide into limestone; complex food chai ...

(4 pages) 324 0 5.0 Oct/2004

Subjects: Science Essays

Nitrogen Fixing Bacteria

Nitrogen is essential for all life on this planet, but most of it is in the air, making up about 78% ... of all organisms depends on the availability of mineral nutrients, and none is more important than nitrogen, which is required in large amounts as an essential component of proteins, nucleic acids an ... omponent of proteins, nucleic acids and other cellular constituents. There is an abundant supply of nitrogen in the earth's atmosphere in the form of N2 gas. However, N2 is unavailable for use by most ...

(4 pages) 24 0 4.0 Apr/2006

Subjects: Science Essays > Biology

The Nitrogen Cycle

78% of air is nitrogen (N2). Nitrogen is in DNA, protein, and other compounds. Like carbon, nitrogen passes along ... ses along food chans and circulates between biotic and abiotic enviroments.Most organisms can't use nitrogen in it's natural form. Plants can only use it in the form of nitrate (No3-)The Nitrogen cycl ... can only use it in the form of nitrate (No3-)The Nitrogen cycle has three pathways. Nitrification, Nitrogen fixation, and denitrification.Nitrogen fixation occurs from lightning and bacteria.1a) Nitr ...

(1 pages) 33 0 3.0 Oct/2006

Subjects: Science Essays > Chemistry

Human Alteration of the Global Nitrogen Cycle: Ca

There has been much talk about the increasing levels of nitrogen in the atmosphere. It is said that we, as humans, are altering the global nitrogen cycle. I ... ycle. I have read the first issue of the Issues in Ecology which is "Human Alteration of the Global Nitrogen Cycle." I will give a brief overview of the Causes and Consequences of the increasing level ... here and I will give my opinion on what should be done to slow the pace of the increasing levels of nitrogen. Nitrogen gas makes up 78 percent of the Earth's atmosphere. Most plants and animals ...

(3 pages) 981 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Rhibozum Lab - Chemistry

Background:Nitrate is an oxidized form of nitrogen which is associated with the symbol NO3. Nitrate is a water soluble compound and is usually ... o have an imbalance in plant uptake and result the plant to either die or interfere with the growth.Nitrogen Fixation is a biological process in which the nitrogen ion is taken and transformed from it ... rogen ion is taken and transformed from its inert molecular in the atmosphere and is transformed to nitrogen compounds such as nitrate, nitrogen dioxide and ammonia etc. Nitrogen fixation occurs natur ...

(7 pages) 2916 0 0.0 Sep/2008

Subjects: Science Essays > Chemistry

Nitrogen Plant Growth

tion, the hypothesis was that the legume (peapod) seedlings would progress at a better rate using a nitrogen-based nutrient solution and a plant growth inoculum. In our experiment, we planted four sep ... their own respective pot under specific conditions. The set-up of the plants is as follows: Plant 1-Nitrogen Minus Solution with No Inoculum; Plant 2-Nitrogen Minus Solution with Inoculum; Plant 3-Nit ...

(4 pages) 0 0 0.0 Dec/2013

Subjects: Science Essays > Chemistry