Gel Electrophoresis
In a native PAGE, proteins are separated on the basis of

net charge and size
net negative charge
net positive charge
net positive charges size

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

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

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

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

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Gel Electrophoresis
In an SDS-PAGE

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

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