Gel Electrophoresis
Proteins are separated in an SDS-PAGE experiment on the basis of their

positively charged side chains
different isoelectric points
negatively charged side chains
molecular weight

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Gel Electrophoresis
In SDS-PAGE, the protein sample is first

treated with a reducing agent and then with anionic detergent followed by fractionation by electrophoresis
treated with a oxidizing agent and then with anionic detergent followed by fractionation by electrophoresis
fractionated by electrophoresis then treated with an oxidizing agent followed by anionic detergent.
None of these

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Gel Electrophoresis
Electrophoresis of histones and myoglobin under non-denaturing conditions (pH = 7.0) results in

both proteins migrate to the anode
histones migrate to the cathode and myoglobin migrates to the anode
both proteins migrate to the cathode
histones migrate to the anode and myoglobin migrates to the cathode

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