11. If you wish to identify a specific protein from a mixture of proteins seen on an SDS-PAGE gel, the best method to use would be: a) NMR b) mass spectrometry c) ELISA d) Western blotting 12. If you wish to develop a quantitative assay for a specific protein, the best method to use is: a) NMR b) mass spectrometry c) ELISA d) Western blotting 13. If you wish to generate a 3-D image of a protein as it exists in aqueous solution, the best method is: a) NMR b) mass spectrometry c) ELISA d) Western blotting 14. If you wish to determine the exact molar mass of a protein, the best method is: a) NMR b) mass spectrometry c) ELISA d) Western blotting 15. If you wish to determine which cellular region contains the highest concentration of a specific protein, the best method to use is: a) differential centrifugation b) analytic microtomography c) microparticle analysis d) fluorescence microscopy