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CBSE Class 9 Answered

centrifugation
Asked by | 11 Jun, 2008, 06:03: PM
Expert Answer

centifugation used in sepration of cream form milk and in various biotech labs for isolation of DNA from sample.

Centrifugation is a process that involves the use of the centripetal force for the separation of mixtures, used in industry and in laboratory settings. More-dense components of the mixture migrate away from the axis of the centrifuge, while less-dense components of the mixture migrate towards the axis. In chemistry and biology, increasing the effective gravitational force on a test tube so as to more rapidly and completely cause the precipitate ("pellet") to gather on the bottom of the tube. The remaining solution is properly called the "supernate" or "supernatant liquid".

Answered by | 11 Jun, 2008, 11:17: PM
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