Gel Electrophoresis
Proteins can be visualized directly in gels by

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

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

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Gel Electrophoresis
In an SDS-PAGE

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

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