Solution-Mixture using a polyacrylamide gel electrophoresis

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Solution-Mixture using a polyacrylamide gel electrophoresis

Suppose someone was attempting to identify proteins in a mixture using a polyacrylamide gel electrophoresis, but was struggling to reproduce their results. What is the most likely cause for this?

  • There are too many charged R-groups on the proteins.
  • The proteins are too different in size.
  • The proteins are too similar in size.
  • SDS was not added to the protein sample.