Select all the statements that are TRUE protein purification

Select all the statements that are TRUE. protein purification results in increased specific activity the purpose of protein purification is to remove all proteins except protein of interest specific activity is lower with protein of interest making up greater portion of protein mixture used in assay protein purification cannot use differences in chemical properties to get a pure protein of interest none of the above

Solution

(a) (b)

Specific activity is a measure of purity and quoted as units/mg of protein. The value becomes larger as the protein preparation becomes purer.