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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 the NATURAL HISTORY OF CORONARY ARTERY DISEASES (GAD)? The natural history of CAD is very important from the preventive point or view. Though the usual manifestations o
Explain Change in body Composition of infants? The weight gain comprise of growth in the muscle, organ tissue, adipose and skeletal structure. One compartment of body which reg
Agroup of realated genera are classified as-?
AGA R - AGAR It is cell wall mucopolysaccharide of some red algae (e.g. Gelidium, Gelidiella, Gracillaria). Agar is used as culture medium, thickener, stabilizer and as lax
A biomolecule is any molecule that is produced by a living organism, including large macromolecules like proteins, polysaccharides, lipids, and nucleic acids, as well as small mole
#question.3 different genera of invertebrates
ARTIFICIA L SELECTION - Man selects the individuals having the desired traits and separates them from those, which do not possess such characters. The selected ones are
In biological studies which of the below terms is used to refer to muscles with less than normal tone? Is it: a) Latent b) Atonic c) Flaccid d) None of these ANSWE
The Eukaryotic cells have five several DNA polymerases; α, β, γ, δ or ε. The DNA polymerases contained in replication of chromosomal DNA are α and δ. DNA polymerases β or ε are con
The heart is supplied exclusively by the right and left coronary arteries. The coronary arteries are functional end arteries. There is no effective anastamosis between right and le
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