Input (grade 13): The Meselsonâ "Stahl experiment was an experiment by Matthew Meselson and Franklin Stahl in 1958 which supported the hypothesis that DNA replication was semiconservative.
Output (grade 10): The Meselsonâ "Stahl experiment was an experiment done by Matthew Meselson and Franklin Stahl. With their experiment, the two scientists could show that DNA replication was semiconservative.