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Nitrogen in Biological Dictionary

Urea

... urea is therefore classified as non-protein nitrogen (NPN) ... Alibaba - Urea : Urea ... of kidneys, either man ... Urea is used as a nitrogen release fertilizer as it hydrolyses back to 2NH2 ... Database. 2 - Athena ... A blood urea nitrogen (BUN) test measures the amount ...

Rhizobia

... Rhizobia are soil bacteria that fix nitrogen (diazotrophy) after becoming established inside ... in New Zealand Rhizobia ... Rhizobia fix nitrogen from the atmosphere and provide this nutrient to ... basic botanical terms, R. ... The rhizobia fix nitrogen (from atmospheric nitrogen) for the plant and ...

Nitrogenous base

... as a base to the lone pair of electrons of a nitrogen atom. Notable nitrogenous bases include purine ... Nucleotides are named after which of the four nitrogen bases it has. ... The nitrogenous base ... (G) ... Order Difco Yeast Extract Difco Yeast nitrogen Base ... DIFCO Yeast Extract and DIFCO Yeast ...

Heterocyst

... stagnale and Anabaena sperica, during nitrogen starvation. They fix nitrogen from dinitrogen (N2) in the air using the enzyme ... to provide the cells in the filament with nitrogen for ... Aspects of the topic ...

Urea cycle

... urea cycle occurs in some genetic disorders (inborn errors ... The nitrogen metabolism page provides a discussion of overall nitrogen homeostasis, the production urea for disposal of waste nitrogen, and the ...

Anabaena

... cyanobacteria, or blue-green algae, found as plankton. It is known for its nitrogen fixing abilities, and they form symbiotic relationships with certain ... to go up : ana-, ana ... Anabaena fixes nitrogen; it takes nitrogen gas from the air and binds it into protein molecules. ... Anabaena is ...

Vascular system

... The circulatory system is an organ system that passes nutrients, gases, hormones, blood cells, nitrogen waste products, etc. to and from cells in the body to help fight diseases and help stabilize body temperature and pH ... Vascular tissue is ...

Pyrimidine

... Pyrimidine is a heterocyclic aromatic organic compound similar to benzene and pyridine, containing two nitrogen atoms at positions 1 and 3 of the six-member ring. It is isomeric with two other forms of diazine. ... in the pyrimidine biosynthesis. ... ...

Purine

... in nature. purine ( ) n. A double-ringed, crystalline organic base, C 5 H 4 N 4 , not known to occur naturally, from which is derived the nitrogen bases adenine purine a colorless crystalline nitrogen-containing organic base; the parent compound of various ... does purine mean? Read ...

Protozoa

... and ... Protozoa are single-celled animals that feed primarily on bacteria, but also eat ... As they eat bacteria, protozoa release excess nitrogen that can then be used by ... When you have completed this page, go to the Protozoa Quiz. The protozoa are one-celled animals and the ...

Proteins

... needed for life and are ... Enzymes are proteins that catalyze the body's chemical reactions. ... Proteins are organic compounds that contain nitrogen in addition to carbon, ... Though proteins themselves do not mutate, a mutation in the genetic material of ... G proteins are so called ...

Phototropism

... Arabidopsis thaliana is ... Mutation, Natural Gas, Natural Numbers, Nautical Archaeology, Nebula, Neptune, Nervous System, Neutron, Neutron Star, nitrogen Cycle, ... Phototropism - Definition of Phototropism at Dictionary.com a free online ... Phototropism Information. Find Free Reference ...

P elements

... The P element gives rise to ... Phosphorus is the chemical element that has the symbol P and atomic number 15. A multivalent nonmetal of the nitrogen group, phosphorus is commonly found in inorganic phosphate rocks. Elemental phosphorus exists in two major forms - white phosphorus and red ...

Oxygenated blood

... waste products away from those same cells. The circulatory system is an organ system that passes nutrients, gases, hormones, blood cells, nitrogen waste products, etc. to and from cells in the body to help fight diseases and help stabilize body temperature and pH ... blood n. The fluid ...

Oxygen

... Suitable for ... Oxygen is colorless, odorless and tasteless. ... Liquid Oxygen Pumps ... Manufacturers and exporters of Oxygen Plants, nitrogen Gas Plant, Oxygen Factory, Acetylene Plants, Oxygen Gas Plant Suppliers, and air seperation plants suppliers ... Molecular oxygen (O2), a ...

Oscillatoria

... articulata. Oscillatoria bornetii. Oscillatoria ... Oscillatoria (Trichodesmium) thiebautii (Cyanophyta) in ... Hydrogen production and nitrogen fixation by Oscillatoria thiebautii during in situ incubations. ... Antarctic Cyanobacteria - taxa and samples from the Dry ... Oscillatoria ...

Nuclein

... Kossel's researches on nuclein , begun ten years after Miescher's discovery, led ... of the chemical makeup of nuclein , and the discovery of the nitrogen ... ...

Mutualism

... possess a means of production, either individually or ... Mutualism . Endosymbiosis. The pea aphid and its endosymbiont. Symbiotic nitrogen fixation ... may also benefit ( = mutualism ) ... Lichens. (Source: U. ... Mutualisms are ecological interactions between two species in ...

Moneran

... computing dictionary. Organisms that lack a nucleus or other membrane-bounded organelles. ... These moneran symbionts convert gaseous nitrogen from the atmosphere (N2) into ... A set of 4 Moneran genera: Anabaena, Gloeocapsa, Nostoc, and Oscillatoria. ... product/preserved+organisms ...

Methylation

... ... What is DNA methylation ? DNA methylation is a modification of DNA in which methyl (-CH 3 ) groups are added to certain positions on the nitrogen bases methylation n 1. the introduction of a methyl group, CH 3 , to a chemical compound. ... DNA methylation is a mechanism used to regulate ...

Lichens

... find their homes in some of the most barren and inhospitable parts of the world. ... An introduction to backyard lichesn ... Lichens also take nitrogen from the air and put it into the soil so plants can use it. ... Includes images as well as conservation information. Introducing lichens , ...

Heterotrophic

... of bacterial density ... Information about heterotrophic in the free online ... heterotrophic - requiring organic compounds of carbon and nitrogen for ... Heterotrophic bacteria, on the other hand, can reproduce in as little as 15 minutes to 1 hour. ... Some species of heterotrophic ...

Excretion

... system contributes to excretion to the degree that drug is not ... Excretion via breast milk, although not important to the mother, ... nitrogen Excretion and Osmotic Regulation ... first, a process technically known as excretion . Excretion is a necessary consequence of protein ...

Cyanobacteria

... and users of the light microscope. The agricultural potential of cyanobacteria has been recognized as a biological ... Cyanobacteria also make nitrogen in mid latitude agricultural systems, though ... Some cyanobacteria exist as unicellular forms, some of which are free-floating, ... ...

Circulatory system

... The circulatory system is an organ system that passes nutrients, gases, hormones, blood cells, nitrogen waste products, etc. to and from cells in the body to help fight diseases and help stabilize body temperature and pH ... circulatory system ...

Carbon fixation

... convert carbon dioxide and water into the simple. ... called ribulose bisphosphate (RuBP) in a process known as carbon fixation . ... ... and nitrogen fixation : composting, carbon -nitrogen mix in ... Complex carbon dioxide fixation in tropical ... Carbon fixation - Wikipedia, the ... ...

Bioaugmentation

... and Gene Bioaugmentation in the Remediation of ... Cell bioaugmentation was further demonstrated when Comamonas testosteroni was ... ... nitrogen source) and/or bioaugmentation (addition of Pseudomonas aeruginosa ... improved bioremedation of HMW PAHs using biostimulation and/or ...

Anabolism

... anabolism . ... Check out these awesome tips for building muscle mass! FInd out how to finally jump start anabolism and create a positive nitrogen balace! but make gains. Shop for vitamins, supplements & natural health products - New. 100% Instantized, Quick Dissolving, Stimulates Muscle ...

Absorption spectrum

... gas absorbs at its identifying wavelengths, and ... Evidence shows that carbon dioxide has no ability to change atmospheric temperatures, while nitrogen and oxygen determine the result. ... ABSORPTION SPECTRA . The following are quantitative absorption ... Absorption Spectrum and Cross ...
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