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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.
Q. Which cell organelles are well-developed in secretory cells? In secretory cells, like the secretory cells of endocrine glands, organelles related to production, "exportation
Q. How do the bacteria reproduce? Bacteria reproduce by binary fission termed as scissiparity. Some bacteria however present a kind of sexual reproduction transformation, conju
general Characters
Assessment of Peripheral Vascular Perfusion (Beside Test) Burger's Postural Test Perform in daylight. Place patient supine with both legs elevated and knees
Why do the sons of a haemophiliac father never vary from this trait? Why is the cleavage in mammals referred as simple homoplastic?
how trematodes/nematodes adapt to their parasitic mode of feeding
A plant grown from one of Mendel's yellow peas is selfed. Five progeny peas are obtained from this self and they are all yellow. If the original selfed plant had been homozygous, w
How does photoperiodism affect the flowering of some plants? The Flowering is an easy and typical to observe example of photoperiodism. Most of flowering plants flower only dur
Casparian strip In plants, the impermeable waxy layer between the cells of endodermis which stops water and solutes from entering into the xylem, except by passing through the cyt
Define about the Composition of Body Weight? You might have read in previous units that our body weight is composed of muscle bone and fat. Segregating these components of body
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