A protein has a molecular weight of about 12,000u. This protein contains 6.4% (w/w) of sulfur in the form of Cysteine. How many cysteine units are present in this protein?

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A protein has a molecular weight of about 12,000u. This protein contains 6.4% (w/w) of sulfur in the form of Cysteine. How many cysteine units are present in this protein?

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