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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.
Ways to adapt to stress Now that you know the nature of stress, let us see what type of strategies plants have acquired to adapt to stress. You know that biological functions
Determine the purpose of the study: There must be a sound rationale or justification for every research project. If the pui-pose of the study is clearly presented and just
Q. What are the periods of the first meiotic division? Meiosis I is divided into metaphase I, prophase I, anaphase I and telophase I.
Bacteria have a region known as a nucleoid, in which their genetic material is located. Why, then, are bacteria classify as prokaryotes? The nucleoid is not surrounded by a mem
Describe the factors that affect cardiac output in a female athlete who is speed skating toward the finish line in an Olympic race.
What are the most significant inorganic molecular substances for living beings? The most significant inorganic substances for living beings are mineral salts, water, carbon dio
PERMANEN T METHOD - 1. Vasectomy in male. 2. Tubectomy in female. 3. Leproscopy is used in tubal ligation , to ligate fallopian tubes.
Explain about Extra low Interstitial Extra low Interstitial (ELI) contains low levels of oxygen dissolved in interstitial sites in the metal. Lower amounts of oxygen and iron i
What is scientific investigation?
what is advantages and disadvantages of the pour plate method
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