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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.
Explain the difference between numerical chromosome abnormalities and single gene disorders. Describe methods of diagnosing chromosome abnormalities prenatally and after birth. How
State the Stabilization of haem pigments Ligands suggested for the stabilization of haem pigments are imidazole (and its derivatives), S-nitrosocysteine and nitrite. Whereas se
What do enzymes do to a reaction? Indicate all that are correct. a. Lower the activation energy b. Reverse the equilibrium c. Lower the equilibrium d. Increase the reac
A female Drosophila with singed bristles is crossed to a male with sepia (dark brown) eyes. In the F1, all females are wild-type and all males have singed bristles. F1 males and fe
. Explain why the traditional classification of unicellular eukaryotes as ‘protozoa’ or ‘protists’ is invalid in terms of modern systematics and evolutionary theory. Why are trad
Q. What are the dietary goals for diabetes? Well here they are. These are to: 1. Supply optimum nutrition to maintain good health, 2. Provide calories for maintaining ide
What is the generic function of leukocytes? What are leukocytosis and leukopenia? The generic function of leukocytes is to contribute in the defense of the body against strange
Signify the term Metacoel. The last of three coelomic spaces found in tripartate body plan characteristic of deuterostome lineage of animals. Other coelomic compartments are th
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