 
			 
			MCQOPTIONS
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				| 1. | In SDS-PAGE, the protein sample is first | 
| A. | treated with a reducing agent and then with anionic detergent followed by fractionation by electrophoresis | 
| B. | fractionated by electrophoresis then treated with an oxidizing agent followed by anionic detergent. | 
| C. | treated with a oxidizing agent and then with anionic detergent followed by fractionation by electrophoresis | 
| D. | none of the above | 
| Answer» B. fractionated by electrophoresis then treated with an oxidizing agent followed by anionic detergent. | |