Gallery 21: Letter from François Jacob's to Matt Meselson

François Jacob's letter to Matt Meselson about his planned trip to Meselson's lab.

François Jacob, Matt Meselson

  • ID: 16480
  • Source: DNALC.DNAFTB

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16690. Gallery 33: François Jacob, 1985

François Jacob, 1985.

  • ID: 16480
  • Type: photograph
  • Source: DNAFTB

16689. Gallery 33: François Jacob, 1953

François Jacob at a Cold Spring Harbor meeting, 1953.

  • ID: 16480
  • Type: photograph
  • 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: 16480
  • Type: photograph
  • Source: DNAFTB

15269. The discovery of the lac operon, François Jacob

François Jacob talks about how enzyme production was viewed at the time they were beginning their experiments.

  • ID: 16480
  • Type: photograph
  • Source: DNAi

15270. Deciding on studying the lac operon, François Jacob

François Jacob explains why Jacques Monod chose to work with the lactose system.

  • ID: 16480
  • Type: photograph
  • Source: DNAi

15275. Molecules thought to be unique to species, François Jacob

François Jacob talks about molecules thought to be unique to species

  • ID: 16480
  • Type: photograph
  • Source: DNAi

16449. Gallery 20: Matt Meselson, 1958

1958, Matt Meselson at Caltech.

  • ID: 16480
  • Type: photograph
  • Source: DNAFTB

16451. Gallery 20: Matt Meselson, 1999

Matt Meselson at Harvard, 1999.

  • ID: 16480
  • Type: photograph
  • Source: DNAFTB

15877. The RNA experiment

Sydney Brenner, Francois Jacob and Matt Meselson's experiment showed that RNA was a copy of the information in DNA. As a messenger, RNA transported the information from the nucleus to the protein-making machinery in the cell.

  • ID: 16480
  • Type: photograph
  • Source: DNAi

16733. Biography 35: James E. Darnell, Jr. (1930 - )

James Darnell studied how chemical signals turn eukaryotic genes on and off.

  • ID: 16480
  • Type: photograph
  • Source: DNAFTB