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Explain briefly about the selenium Toxicity?
There is a narrow margin between the beneficial and harmful intakes of selenium. The level at which selenosis occurs is not well-defined but threshold for toxicity appears to be 850-900 μg per day. Symptoms of chronic toxicity include brittle hair and nails, skin lesions with secondary infections and garlic odour in the breath. Chronic selenium poisoning in people is characterized primarily by loss of hair and changes in finger nail morphology. In some cases, skin lesions may occur.
Environmental factors of viscosity and plasticity a) Temperature affects the viscosity of a colloid. Generally, its viscosity decreases as the temperature increases. For e.g.
Bacteria: Bacteria have a protective covering called 'cell wall'. Beneath this. there is a plasma membrane which encloses protoplasm of the bacterium containing various types
what is proteins?properties of protein
Determine Some indicators of Malnutrition? A few of the indicators are enumerated below: 1. Indicators related to Government policies a. Nutrition policy b. Nutrition
Define Standard titration - estimation of vitamin c in Chillies? Pipette 5 ml of standard ascorbic acid solution into a 100 ml conical flask. Fill the burette with the dye solu
Clathrin-coated pits and vesicles are included in both the endocytosis of material at the plasma membrane and the exocytosis of proteins from the Golgi apparatus. Electron
Define about the term Indicators? The easiest way to determine when the reaction is complete is by using indicators. An indicator is a compound that has a physical property (us
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What is the Importance of biotin Biotin is involved in a number of important metabolic reactions, probably as coenzymes. Deficiency symptoms are manifest as degenerative cha
Altitudinal Variations We know that temperature decreases with increasing altitude. This is mainly due to convection currents in the troposphere - the lowermost (and most dense
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