Video 20: Matthew Meselson, clip 3

Matt Meselson is a Professor in the Department of Molecular and Cellular Biology at Harvard University. His laboratory studies sexual reproduction and genetic recombination, and how and why they are maintained in evolution.

how dna replicates, matthew meselson, molecular and cellular biology, genetic recombination, laboratory studies, sexual reproduction, harvard university, watson, evolution

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16461. Video 20: Matthew Meselson, clip 2

The three models of DNA replication - semi-conservative, conservative, and dispersive - and whether bias played a role in designing/interpreting the experiment.

  • ID: 16461
  • Source: DNAFTB

16460. Video 20: Matthew Meselson, clip 1

Explaining density gradient centrifugation.

  • ID: 16460
  • Source: DNAFTB

16466. Biography 20: Matthew Stanley Meselson (1930- )

Matthew Meselson and Franklin Stahl invented the technique of density gradient centrifugation and used this to prove that DNA is replicated semi-conservatively.

  • ID: 16466
  • Source: DNAFTB

16467. Biography 20: Franklin William Stahl (1929-)

Franklin Stahl and Matthew Meselson invented the technique of density gradient centrifugation and used this to prove that DNA is replicated semi-conservatively.

  • ID: 16467
  • Source: DNAFTB

16454. Video 20: Frank Stahl, clip 1

Describing his first meeting with James Watson and Matthew Meselson.

  • ID: 16454
  • Source: DNAFTB

16455. Video 20: Frank Stahl, clip 2

Describing how he first met Matthew Meselson.

  • ID: 16455
  • Source: DNAFTB

16491. Biography 21: Sydney Brenner (1927 - )

Sydney Brenner showed that mRNA was the unstable intermediate that carried the message from DNA to the ribosomes.

  • ID: 16491
  • Source: DNAFTB

16437. Biography 19: James Dewey Watson (1928- )

James Watson and Francis Crick solved the structure of DNA. Other scientists, like Rosalind Franklin and Maurice Wilkins, also contributed to this discovery.

  • ID: 16437
  • Source: DNAFTB

15461. The double helix and the Nobel Prize, James Watson

James Watson talks about who he thinks should have won the Nobel Prize in 1962.

  • ID: 15461
  • Source: DNAi

16456. Video 20: Frank Stahl, clip 3

Recounting how the seminal "Meselson-Stahl" experiment was only performed 3 times, with one set of results discarded due to mislabelled tubes!

  • ID: 16456
  • Source: DNAFTB