Meselson&Stahl

• Who provided evidence for semi-conservative replication?

  Meselson and Stahl
• Who determined the structure of DNA?

  Watson and Crick
• What did watson and crick come up with?

  The theory of semi-conservative DNA replication
• What did Meselson and Stahl provide evidence for?

  Semi-conservative replication
• When was watson and cricks theory validated?

  Meselson and stahls experiment
• if the method of DNA replication was conservative what would the original DNA strands do?

  Stay together and the new DNA molecules would contain two new strands
• what did Meselson and Stahl show?


  that DNA is replicated using the semi-conservative method
• what did meselson and stahls experiment use?

  two isotopes of nitrogen (DNA contains nitrogen)

  heavy nitrogen and light nitrogen
• what are isotopes?

  different forms of the same element
• what does DNA contain?


  Nitrogen