There are several different types of media that can be used in electrophoresis. Most methods today use a gel (cellulose acetate, agarose, or polyacrylamide). Which one of the following statements is true regarding these gels?

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Please select the single best answer

	The compounds used to make cellulose acetate gels are carcinogenic
	Polyacrylamide gels are composed of polysaccahrides and acrylamides
	Polyacrylamide gels have the greatest resolution or separation of solutes
	Cellulose acetate and agarose gels are the more commonly used gels