What pH must you use to purify a protein with a pI of 4.2 via cation exchange chromatography?

A technique that involves crosslinking proteins to DNA, purifying the fragments with antibodies, and determining the protein-DNA binding sites is called

You perform a western blot, but skip the blocking step. This will result in

A protein dimer with subunits connected by disulfide bridges is run through an SEC column and elutes in fraction 20. After 100% successful treatment with a reducing agent, the protein is rerun over the same column. Which of the following is TRUE?

Which of the following antibodies would be best to use for an ELISA where specificity is very important?

Which technique is most useful for obtaining specific mutants of an existing protein?

Capillary tube gels are used in

All of the following can be used to sequence proteins EXCEPT

Which is NOT a technique for lysing cells?

Which technique involves drying a protein sample out under vacuum?