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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.
Where in the body is the thyroid gland located? The thyroid is located in the anterior cervical region (frontal neck), in front of the trachea and just below the larynx. It is
Ammonification Many heterotrophic bacteria actinomycetes and fungi in soil and water metabolise the organic nitrogen and release it in an inorganic form as ammonia. This proce
There is a lot of dataset and hypothese that attempt to explain why there was a Cambrian Explosion. Using all supporting ideas, explain and write a paragraph on why all this specia
1. A roan bull which is heterozygous for the polled condition is mated to several cows of identical genotype to his. How many roan, polled animals should be produced out of 16?
Q. What are the subkingdoms into which the plant kingdom is divided? The kingdom Plantae is divided into two big subkingdoms: the tracheophytes and the bryophytes (gymnosperms,
Non Symbiotic Nitrogen Fixers - Nutrient Cycles There are certain groups of free living bacteria both aerobic and anaerobic and blue green algae that fix nitrogen. Aerobic nit
Explain about the Nutrition Security? Food security is a part of the broader concept of nutrition security. A household can be said to be nutritionally secure if it is able to
Bioclimatology: This is the study of effect of climate on distribution of organisms. Bioclimatology is the inter-disciplinary field of science which studies the interactions betwe
Graduate student Dee Innay works in a human genome lab, whose goal is to identify the human gene responsible for a form of muscular dystrophy (MD). Dee has mapped the MD gene to a
What are the anatomical relationships between the organs of the female reproductive system from the external vulva to the ovaries? The external female genitalia is called the v
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