The Meselson-Stahl experiment made clear predictions regarding experimental outcomes if dispersive,conservative,or semiconservative DNA replication was occurring in their Escherichia coli cells.To begin the experiment,cells were grown for a period of time in media containing __________ to label the chromosome. A)heavy nitrogen,¹⁵N B)radioactive phosphate,³²P C)chemically modified nitrogenous bases D)only sulfur and no nitrogen E)None of the answer options are correct.

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The Meselson-Stahl experiment used heavy nitrogen (15N) to label the chromosome of Escherichia coli cells. This allowed for the detection and separation of different DNA molecules based on their density using centrifugation.

The Meselson-Stahl Experiment Made Clear Predictions Regarding Experimental Outcomes If