What is the purpose of washing the column with Endo-Wash Buffer? Group of answer choices To break open any remaining cells To bind the plasmid DNA more tightly To elute the DNA from the column To remove endotoxins and unwanted proteins
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Step 1: Identify the function of the Endo-Wash Buffer in the context of column purification. Show more…
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Why is imidazole present at a high concentration for the elution step? Select one or more: To reduce non-specific binding to the Ni-NTA resin. To wash away all contaminating proteins. So the His-tagged protein is released from the Ni-NTA resin. None of these. To ensure the His-tagged protein sticks tightly to the Ni-NTA resin.
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