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Define Regents for Estimation of Vitamin C - Colorimetric Method?
1. 2, 4 dinitrophenylhydrazine reagent - Dissolve 2 g of dinitrophenyl hydrazine in 100 ml of 9N sulphuric acid and allow to stand overnight. Mix and use.
2. 5% thiourea solution - Dissolve 25 g of thiourea in 500 ml of distilled water.
3. 9N sulphuric acid
4. 85% sulphuric acid
5. 0.6% copper sulphate
6. Colour reagent or Dinitrophenylhydrazine - thiourea - copper sulphate (DTC) reagent - Mix
7. 5% trichloroacetic acid (TCA)
8. 5% metaphosphoric acid in 10% acetic acid solution - Mix 1000 ml of 5% metaphosphoric acid and 500 ml of 10% acetic acid.
9. Ice for cooling.
Into which two groups can the nitrogen-containing bases that form DNA and RNA be classified? What is the criterion used in that classification? The nitrogen-containing bases th
Primary mediators are those, which are produced before degranulation. These primary mediators are stored in granules. Some of the primary mediators are histamine, heparin, protease
Define Obligatory Nitrogen losses? The Committee estimated the total obligatory nitrogen losses through faeces, urine, skin and other miscellaneous routes in adult men as 2.0 m
What is glycolysis? What are the products of this process? Glycolysis, the first stage of the aerobic cell respiration, is a process in which glucose is degraded (broken) to fo
Q. The vascular lesions caused by leeches upon the blood vessels of their host cause blood naturally to coagulate. How does the leech solve this problem since it could be expected
Flighting adaptations in birds
Q. Define Accuracy of Stress Echocardiography? The accuracy of stress echo tests for the detection of coronary artery disease is expressed as the sensitivity and specificity of
Which gas in each of the following pairs would you expect to be more soluble in water? Why? (a) Oxygen and Carbon Dioxide (b) Nitrogen and Ammonia (c) Methane and Hydrogen Sulfide.
parts of a typical flower? define its parts and internal parts completely? show complete colourful diagram?
Transplantation - It is implanting of a living or preserved tissue or organ from one site to another side in the same individual or from one individual called donor to recip
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