Question

Why are
proteins either positively or negatively charged?
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Answer 1

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Biological proteins are made up of zwitterionic amino acid compounds; the net charge of these proteins can be positive or negative depending on the pH of the environment. ... At high pH values, the net charge of most proteins is negative, where they bind to the positively-charged matrix in anion exchangers.

Answer 2

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Why are proteins either positively or negatively charged ?

=> Biological proteins are made up of zwitterionic amino acid compounds; the net charge of these proteins can be positive of negative depending on the pH of the environment . At high pH values, the net charge of the most proteins is negative , where they bind to the positively charged matrix in anion exchargers.

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