Gel Electrophoresis
In a gel filtration column

both (a) and (b)
large proteins enter the beads more readily
smaller proteins enter the beads more readily
large proteins elute first

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Gel Electrophoresis
In an SDS-PAGE

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

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

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

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