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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)
Define Volume of Urine - General Examination of Urine Volume: Measurement of the volume of each urine specimen passed is necessary for the conditions in which the fluid balance
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Explain Bile pigments - Constituents of Bile The red blood cells are broken down when they are old (life span of red blood cell is 120 days). They are taken up by the reticuloe
Another way to observe the buoyancy of water Push a large cork to the bottom of a pail of water. Notice the quantity of force you have to apply to hold the cork at the bottom.
Define the Amount of Calcium in Urine Normally I00 to 300 mg of calcium is excreted in the urine daily. Urine calcium is low in intestinal malabsorption and rickets - a childho
Define the Peripheral Nervous System The peripheral nervous system or PNS, is a part of the nervous system and consists of the nerves and neurons that reside or extend outside
Use of natural resources: you studied about various natural resources such as land, water, soil, minerals etc. You know that these resources are limited and precious. Therefore
Objectives After studying this unit, you should be able to: 1. Categorise different radiations into ionising and no ionising types, 2. Explain the effects of radiations
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