Video 20: Matthew Meselson, clip 1

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.

density gradient centrifugation, matthew meselson, molecular and cellular biology, harvard university, sexual reproduction, genetic recombination, laboratory studies, evolution

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16462. Video 20: Matthew Meselson, clip 3

How Meselson came to read the Watson and Crick paper, then think about ways to experimentally test how DNA replicates.

  • ID: 16462
  • Source: DNAFTB

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

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

16471. Animation 21: RNA is an intermediary between DNA and protein.

Francis Crick describes RNA and its role and Paul Zamecnick explains protein synthesis.

  • ID: 16471
  • Source: DNALC.DNAFTB

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

10488. "Courses in eugenics, University of Pittsburgh" (1)

"Courses in eugenics, University of Pittsburgh" (1)

  • ID: 10488
  • Source: EA