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Tag Archives: size

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Protein Purification

ScienceBy William Anderson (Schoolworkhelper Editorial Team)November 20, 2010Leave a comment

It is often necessary to obtain a preparation containing protein molecules of only a single type (a “pure protein”); eg. for medical use or scientific study. With such preparations, one may determine 3D structure, binding affinities, or determine the amino acid sequence.  Obtaining a pure protein is generally challenging because there are thousands of proteins…

Human Karyotyping

ScienceBy William Anderson (Schoolworkhelper Editorial Team)July 2, 2010Leave a comment

A karyotype is an organized profile of a person’s chromosomes. Chromosomes are arranged and numbered according to: – size, from largest to smallest – banding pattern, size and location of Giesma bands – centromere location, appear as a constriction This arrangement helps scientists quickly identify chromosomal alterations that may result in a genetic disorder. Karyotype…

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