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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.
Explain Preparation of burette for Estimation of Reducing Sugar by Fehling Soxhlet? Preparation of burette - Take a 50 ml burette. 1. Fix the burette into the burette holder
Q. Describe the pulmonary artery? The main pulmonary artery is seen on the PA view, as its left border forms the pulmonary bay. The right pulmonary artery runs horizontally to
What is Subphylum Crustacea and Subphylum Uniramia? The Arthropoda are usually grouped into four subgroupings called subphyla (singular-subphylum). One of these four subphyla -
Explain the basic Concept of Energy? Energy in simple terms may be defined as the ability, or power, to do work. As a student of dietetics and nutrition, you already know that
what is photo-respiration
What are Flavanols? Examples are catechin and epicatechin. You may have heard of the benefits of tea. Some of them are due to gallic acid, which is combined with epicatechin. F
Insulin binding to insulin receptors in the plasma membrane of a A. liver cell will lead to an enhance in the intracellular amounts of cAMP in the liver cell. B. beta-islet
MECHANISM OF REGENERATION - T.H. morgan recognised 2 primary mechanisms - M o r ph o l axis Epim orphosis 1. Production of enti
Explain about the Mucor - Fungi? Mucor is present as a food contaminant. It resembles Rhizopus in life history and colonies appear just like Rhizopus. However, important diffe
Types of Stress Caused by Freezing Thus, freezing can cause the following kinds of stresses Lowering of temperature to suboptimum thus reducing the activity of mo
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