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Denitrification - Nutrient Cycles
Nitrates are readily leached from the soil and also lost through denitrification the process by which molecular or gaseous nitrogen (N2) as well as nitrous oxide (NO) 'and nitric oxide (N2O) and nitrogen dioxide (NO2) are formed from NO-3 by bacteria (such as pseudomonas) and fungi. They use the nitrate as a source of oxygen in the presence of glucose and phosphate. Denitrifing bacteria prefer anaerobic or partially aerobic habitats such as estuaries, bogs, lake bottoms and water-logged soils. The bacteria reduce the nitrates to nitrites which are finally converted to free nitrogen.
Basic Physical Concepts of Plant Water Relation The main idea of this section is to explain the concept of chemical potential of water or water potential and the effect of var
Describe the term Humidification Dry gases result in the loss of ciliary activity of the mucosa of the airway and can lead to mucosal damage as well as causing the secretions
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Reaction specificity Some enzymes catalyze only one reaction acting on a specific substrate. Example: urease and catalase acts only on urea and hydrogen peroxide,
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Class Holothuroidea Body cucumber-such as; no arms; no spines; no pedicellariae; ossicles minute and embedded in muscular wall; anus present; tube feet along with suckers; am
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Roan (RW) is a color of cattle in which both red and white hairs are present due to codominance. What are the phenotype and genotype ratios of offspring produced by: roan bull and
Explain Metastatic carcinoma Metastatic carcinoma:- Cancer that can be transferred from one part of the body to other unrelated parts.
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