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27-12-2022
Biology

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One year earlier, J. Herbert Taylor's experiments with Vivia faba came to a similar conclusion as this experiment. John Cairns used radioactively-labelled thymidine to explain why heat denaturation in this experiment occurred only with salmon sperm. A density gradient of cesium chloride was used for the ultracentrifugation step in this experiment. This experiment (*) disproved Max Delbruck's dispersive hypothesis. This experiment used E. coli grown on nitrogen-15, followed by growth on
nitrogen-14, and found that three-quarters of the second generation was light. For 10 points, name this experiment that proved DNA replication is semiconservative.

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