Gel Electrophoresis
Proteins can be visualized directly in gels by

none of these
measuring their molecular weight
using electron microscope only
staining them with the dye

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Gel Electrophoresis
In an SDS-PAGE

proteins have the same charge-to-mass ratio
smaller proteins migrate more rapidly through the gel
All of these
proteins are denatured by the SDS

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

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

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

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