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What is Semiconservative DNA Replication Explained about?
1) In 1957, Matthew Meselson and Franklin Stahl developed a technique called density-gradient centrifugation to test the hypothesis that DNA replication occurs in a semiconservative fashion. 2) They grew E. coli bacteria in a medium containing heavy nitrogen to label the parental DNA strands, then transferred the bacteria to a light nitrogen medium so the daughter strands would have only light nitrogen. 3) Analysis of the bacterial DNA after replication showed two distinct bands - one for the hybrid paren
- Author
- M Syafiq Samad
- Language
- EN