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Explain concept of Salting out
Salting out: Proteins in aqueous medium can be precipitated by qdding, trichloroacetic acid (TCA) or perchloric acid (PCA). Salts of heavy metals, phosphomolybdic acid or phosphotungstic acid are commonly used for protein precipitation. This is known as salting out. Concentrated solutions of neutral mineral salts such as MgS04, Na2S04 and (N&)2S04 are also commonly used for precipitation of proteins.
A model illustrating how an eclipse appears The sun is shown by an opal electric bulb shining by a circular hole 5 cm in diameter in a piece of blackened cardboard. The corona
what is soil erosion?
Mechanics: Another hnch of science which is, perhaps, the greatest contribution of Greek civilisation is mechanics. Mechanics developed out of the necessities of imgation,
I need to write a report of 3pages
Water extinguishers : Direct the jet at the base of the flame and keep it moving across the fire. Attack a fire which is spreading vertically at its lowest point and follow th
What are the heat sources in the earth?
Water Resources: Water, as you know, is the most essential component of life. Our water resources are limited, though apparently, water is available in an abundant quantity.
Thiamin (vitamin B1) Thiamin was first isolated in 1926 from rice polishing by Jansen and Donath. Its empirical formula was established in 1931 by Windaus and co-w
how increases in atmospheric concentrations of carbon dioxide and other greenhouse gases cause global warming.
Semiconductors: By now you have studied more than half of this course. You may have been to the study centre a few times. You might have taken lessons on audio cassette-recor
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