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Niacin (vitamin B3)
Though niacin or nicotinic acid has been known to the organic chemists since 1867 and Funk isolated it from yeast and rice polishing in order to identify the anti-beriberi vitamin in 1913, it was finally isolated as nicotinamide from liver by Elvehjem and his co-workers in 1937. This was actually after the discovery by Rum and Smith in 1934 that the crude extract of liver was effective against pellagra (you might know that pellagra is the disease condition caused due to the deficiency of niacin in the body)
basic steps in callus culture
Cholagouge action and Absorptive function of bile Cholagouge action: Bile acts as its own stimulus. Bile salts are absorbed from the intestine, carried to the liver and stimula
Explain Maximum Tubular Secretory Capacity The maximum rate at which tubules can transport a substance from the blood vessel to the lumen or from the lumen to the blood vessel
To show that soil contains air:- Place some soil in a glass jar or bottle and slowly pour water over it. Observe the air bubbles that increase by the water from the soil.
What is the function of the pharynx of a planarian?
Define Creatine in Urine Normal urine contains little or no creatine. Some may be found during menstruation, pregnancy and childhood. Urine creatine is considerably increased i
A compressed air pop-gun Use a straight piece of glass or plastic tubing of 1 or 2 cm in diameter and 15 or 20 cm in length. Make a piston by twisting some string on a pencil t
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Define the categories of Soil structure Three broad categories of soil structure. These are: 1) Single grained, where each particle in a soil functions as an indivi
Explain the Physiology of Lactation Lactogenesis is the onset of copious milk secretion around parturition, triggered by a fall in plasma progesterone levels. Although some col
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